Compensation and Retirement Disclosure [Abstract] | Period [Axis] |
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2016-01-04 - 2017-01-01 |
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Compensation and Retirement Disclosure [Abstract] | |
Components of Net Periodic Benefit Cost | Net periodic benefit costs for the Company’s defined benefit retirement plans and other benefit plans for 2016, 2015 and 2014 include the following components: | | | | | | | | | | | | | | | | | | | | | | | Retirement Plans | | Other Benefit Plans | (Dollars in Millions) | | 2016 | | 2015 | | 2014 | | 2016 | | 2015 | | 2014 | Service cost | | $ | 949 |
| | 1,037 |
| | 882 |
| | 224 |
| | 257 |
| | 211 |
| Interest cost | | 927 |
| | 988 |
| | 1,018 |
| | 158 |
| | 186 |
| | 197 |
| Expected return on plan assets | | (1,962 | ) | | (1,809 | ) | | (1,607 | ) | | (6 | ) | | (7 | ) | | (7 | ) | Amortization of prior service cost (credit) | | 1 |
| | 2 |
| | 6 |
| | (34 | ) | | (33 | ) | | (34 | ) | Amortization of net transition obligation | | — |
| | — |
| | 1 |
| | — |
| | — |
| | — |
| Recognized actuarial losses | | 496 |
| | 745 |
| | 460 |
| | 135 |
| | 201 |
| | 136 |
| Curtailments and settlements | | 11 |
| | 8 |
| | (17 | ) | | — |
| | — |
| | — |
| Net periodic benefit cost | | $ | 422 |
| | 971 |
| | 743 |
| | 477 |
| | 604 |
| | 503 |
|
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Amounts Expected to be Recognized in Net Periodic Benefit Cost | Amounts expected to be recognized in net periodic benefit cost in the coming year for the Company’s defined benefit retirement plans and other post-retirement plans: | | | | | (Dollars in Millions) | | Amortization of net transition obligation | $ | — |
| Amortization of net actuarial losses | 715 |
| Amortization of prior service credit | 28 |
|
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Rates Used to Develop Actuarial Present Value of Projected Benefit Obligation | The following table represents the weighted-average actuarial assumptions: | | | | | | | | | | | | | | | | | Retirement Plans | | Other Benefit Plans | Worldwide Benefit Plans | | 2016 | | 2015 | | 2014 | | 2016 | | 2015 | | 2014 | Net Periodic Benefit Cost | | | | | | | | | | | | | Service cost discount rate | | 3.98 | % | | 3.78 | | 4.78 | | 4.77 | | 4.31 | | 5.25 | Interest cost discount rate | | 4.24 | % | | 3.78 | | 4.78 | | 4.10 | | 4.31 | | 5.25 | Rate of increase in compensation levels | | 4.02 | % | | 4.05 | | 4.08 | | 4.32 | | 4.11 | | 4.29 | Expected long-term rate of return on plan assets | | 8.55 | % | | 8.53 | | 8.46 | | | | | | | | | | | | | | | | | | | | Benefit Obligation | | | | | | | | | | | | | Discount rate | | 3.78 | % | | 4.11 | | 3.78 | | 4.42 | | 4.63 | | 4.31 | Rate of increase in compensation levels | | 4.02 | % | | 4.01 | | 4.05 | | 4.29 | | 4.28 | | 4.11 |
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Assumed Health Care Cost Trend Rates | The following table displays the assumed health care cost trend rates, for all individuals: | | | | | | | | Health Care Plans | | 2016 | | 2015 | Health care cost trend rate assumed for next year | | 6.32 | % | | 6.60 | % | Rate to which the cost trend rate is assumed to decline (ultimate trend) | | 4.50 | % | | 4.50 | % | Year the rate reaches the ultimate trend rate | | 2038 |
| | 2038 |
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Effect of One Percentage Point Change in Assumed Health Care Cost Trend Rates | A one-percentage-point change in assumed health care cost trend rates would have the following effect: | | | | | | | | | | | One-Percentage- | | One-Percentage- | (Dollars in Millions) | | Point Increase | | Point Decrease | Health Care Plans | | |
| | |
| Total interest and service cost | | $ | 30 |
| | (23 | ) | Post-retirement benefit obligation | | $ | 401 |
| | (325 | ) |
|
Schedule of Net Funded Status | The following table sets forth information related to the benefit obligation and the fair value of plan assets at year-end 2016 and 2015 for the Company’s defined benefit retirement plans and other post-retirement plans: | | | | | | | | | | | | | | | | | Retirement Plans | | Other Benefit Plans | (Dollars in Millions) | | 2016 | | 2015 | | 2016 | | 2015 | Change in Benefit Obligation | | | | | | | | | Projected benefit obligation — beginning of year | | $ | 25,855 |
| | 26,889 |
| | 4,669 |
| | 5,081 |
| Service cost | | 949 |
| | 1,037 |
| | 224 |
| | 257 |
| Interest cost | | 927 |
| | 988 |
| | 158 |
| | 186 |
| Plan participant contributions | | 54 |
| | 48 |
| | — |
| | — |
| Amendments | | (48 | ) | | 60 |
| | — |
| | — |
| Actuarial (gains) losses | | 2,302 |
| | (1,578 | ) | | (73 | ) | | (400 | ) | Divestitures & acquisitions | | (24 | ) | | (5 | ) | | — |
| | — |
| Curtailments, settlements & restructuring | | (25 | ) | | (20 | ) | | — |
| | (3 | ) | Benefits paid from plan* | | (1,210 | ) | | (773 | ) | | (378 | ) | | (420 | ) | Effect of exchange rates | | (664 | ) | | (791 | ) | | 5 |
| | (32 | ) | Projected benefit obligation — end of year | | $ | 28,116 |
| | 25,855 |
| | 4,605 |
| | 4,669 |
| Change in Plan Assets | | | | | | | | | Plan assets at fair value — beginning of year | | $ | 22,254 |
| | 22,575 |
| | 74 |
| | 79 |
| Actual return on plan assets | | 2,286 |
| | 298 |
| | 7 |
| | 1 |
| Company contributions | | 838 |
| | 752 |
| | 372 |
| | 414 |
| Plan participant contributions | | 54 |
| | 48 |
| | — |
| | — |
| Settlements | | (25 | ) | | (20 | ) | | — |
| | — |
| Divestitures & acquisitions | | (24 | ) | | (5 | ) | | — |
| | — |
| Benefits paid from plan assets* | | (1,210 | ) | | (773 | ) | | (378 | ) | | (420 | ) | Effect of exchange rates | | (540 | ) | | (621 | ) | | — |
| | — |
| Plan assets at fair value — end of year | | $ | 23,633 |
| | 22,254 |
| | 75 |
| | 74 |
| Funded status — end of year | | $ | (4,483 | ) | | (3,601 | ) | | (4,530 | ) | | (4,595 | ) | Amounts Recognized in the Company’s Balance Sheet consist of the following: | | | | | | | | | Non-current assets | | $ | 227 |
| | 256 |
| | — |
| | — |
| Current liabilities | | (86 | ) | | (77 | ) | | (315 | ) | | (324 | ) | Non-current liabilities | | (4,624 | ) | | (3,780 | ) | | (4,215 | ) | | (4,271 | ) | Total recognized in the consolidated balance sheet — end of year | | $ | (4,483 | ) | | (3,601 | ) | | (4,530 | ) | | (4,595 | ) | Amounts Recognized in Accumulated Other Comprehensive Income consist of the following: | | | | | | | | | Net actuarial loss | | $ | 7,749 |
| | 6,501 |
| | 1,804 |
| | 2,013 |
| Prior service cost (credit) | | (12 | ) | | 34 |
| | (150 | ) | | (185 | ) | Unrecognized net transition obligation | | — |
| | — |
| | — |
| | — |
| Total before tax effects | | $ | 7,737 |
| | 6,535 |
| | 1,654 |
| | 1,828 |
| | | | | | | | | | Accumulated Benefit Obligations — end of year | | $ | 25,319 |
| | 23,262 |
| | | | | | | | | | | | | | *In 2016, the Company offered a voluntary lump-sum payment option below a pre-determined threshold for certain eligible former employees who are vested participants of the U.S. Qualified Defined Benefit Pension Plan. The distribution of the lump-sums was substantially completed by the end of fiscal 2016. The amount distributed in 2016 was approximately $420 million. These distributions from the plan did not have a material impact on the Company’s financial position.
| | | | | | | | | |
| | | | | | | | | | | | | | | | | Retirement Plans | | Other Benefit Plans | (Dollars in Millions) | | 2016 | | 2015 | | 2016 | | 2015 | Amounts Recognized in Net Periodic Benefit Cost and Other Comprehensive Income | | | | | | | | | Net periodic benefit cost | | $ | 422 |
| | 971 |
| | 477 |
| | 604 |
| Net actuarial (gain) loss | | 1,965 |
| | (75 | ) | | (72 | ) | | (389 | ) | Amortization of net actuarial loss | | (496 | ) | | (745 | ) | | (135 | ) | | (201 | ) | Prior service cost (credit) | | (48 | ) | | 60 |
| | — |
| | — |
| Amortization of prior service (cost) credit | | (1 | ) | | (2 | ) | | 34 |
| | 33 |
| Effect of exchange rates | | (218 | ) | | (218 | ) | | (1 | ) | | (1 | ) | Total recognized in other comprehensive income, before tax | | $ | 1,202 |
| | (980 | ) | | (174 | ) | | (558 | ) | Total recognized in net periodic benefit cost and other comprehensive income | | $ | 1,624 |
| | (9 | ) | | 303 |
| | 46 |
|
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Information Related to the Benefit Obligation and the Fair Value of Plan Assets | The following table displays the funded status of the Company's U.S. Qualified & Non-Qualified pension plans and international funded and unfunded pension plans at December 31, 2016 and December 31, 2015, respectively:
| | | | | | | | | | | | | | | | | | | | U.S. Plans | International Plans | | Qualified Plans | Non-Qualified Plans | Funded Plans | Unfunded Plans | (Dollars in Millions) | 2016 | 2015 | 2016 | 2015 | 2016 | 2015 | 2016 | 2015 | Plan Assets | $ | 16,057 |
| 15,113 |
| — |
| — |
| 7,576 |
| 7,141 |
| — |
| — |
| Projected Benefit Obligation | 16,336 |
| 15,280 |
| 1,905 |
| 1,675 |
| 9,502 |
| 8,542 |
| 373 |
| 358 |
| Accumulated Benefit Obligation | 14,759 |
| 13,876 |
| 1,568 |
| 1,411 |
| 8,663 |
| 7,661 |
| 329 |
| 314 |
| Over (Under) Funded Status | | | | | | | | | Projected Benefit Obligation | $ | (279 | ) | (167 | ) | (1,905 | ) | (1,675 | ) | (1,926 | ) | (1,401 | ) | (373 | ) | (358 | ) | Accumulated Benefit Obligation | 1,298 |
| 1,237 |
| (1,568 | ) | (1,411 | ) | (1,087 | ) | (520 | ) | (329 | ) | (314 | ) |
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Projected Future Benefit Payments from Company's Retirement and Other Benefit Plans | The following table displays the projected future benefit payments from the Company’s retirement and other benefit plans: | | | | | | | | | | | | | | | | | | | | | (Dollars in Millions) | | 2017 | | 2018 | | 2019 | | 2020 | | 2021 | | 2022-2026 | Projected future benefit payments | | | | | | | | | | | | | Retirement plans | | $ | 897 |
| | 908 |
| | 958 |
| | 1,010 |
| | 1,081 |
| | 6,416 |
| Other benefit plans | | $ | 325 |
| | 315 |
| | 311 |
| | 307 |
| | 304 |
| | 1,465 |
|
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Projected Future Minimum Contributions to the Company's U.S. and International Unfunded Retirement Plans | The following table displays the projected future minimum contributions to the unfunded retirement plans. These amounts do not include any discretionary contributions that the Company may elect to make in the future. | | | | | | | | | | | | | | | | | | | | | (Dollars in Millions) | | 2017 | | 2018 | | 2019 | | 2020 | | 2021 | | 2022-2026 | Projected future contributions | | $ | 83 |
| | 84 |
| | 89 |
| | 94 |
| | 100 |
| | 610 |
|
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Company' Retirement Plan Asset Allocation and Target Allocations | The Company’s retirement plan asset allocation at the end of 2016 and 2015 and target allocations for 2017 are as follows: | | | | | | | | | | | | | Percent of Plan Assets | | Target Allocation | | | 2016 | | 2015 | | 2017 | Worldwide Retirement Plans | | | | | | | Equity securities | | 75 | % | | 79 | % | | 73 | % | Debt securities | | 25 |
| | 21 |
| | 27 |
| Total plan assets | | 100 | % | | 100 | % | | 100 | % |
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Schedule of Defined Benefit Plans Disclosures | The following table sets forth the Retirement Plans' investments measured at fair value as of December 31, 2016 and December 31, 2015: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Quoted Prices in Active Markets for Identical Assets | | Significant Other Observable Inputs | | Significant Unobservable Inputs(a) | | Investments Measured at Net Asset Value(b) | | | | | | (Level 1) | | (Level 2) | | (Level 3) | | | | | Total Assets | (Dollars in Millions) | | 2016 | | 2015 | | 2016 | | 2015 | | 2016 | | 2015 | | 2016 | | 2015 | 2016 | | 2015 | Short-term investment funds | | $ | 145 |
| | 184 |
| | 652 |
| | 312 |
| | — |
| | — |
| | — |
| | — |
| 797 |
| | 496 |
| Government and agency securities | | — |
| | — |
| | 2,655 |
| | 1,767 |
| | — |
| | — |
| | — |
| | — |
| 2,655 |
| | 1,767 |
| Debt instruments | | — |
| | — |
| | 1,237 |
| | 1,050 |
| | — |
| | 1 |
| | — |
| | — |
| 1,237 |
| | 1,051 |
| Equity securities | | 11,433 |
| | 11,317 |
| | 12 |
| | 11 |
| | — |
| | — |
| | — |
| | — |
| 11,445 |
| | 11,328 |
| Commingled funds | | — |
| | — |
| | 1,316 |
| | 1,100 |
| | — |
| | — |
| | 5,767 |
| | 6,122 |
| 7,083 |
| | 7,222 |
| Insurance contracts | | — |
| | — |
| | — |
| | — |
| | 24 |
| | 23 |
| | — |
| | — |
| 24 |
| | 23 |
| Other assets | | — |
| | — |
| | — |
| | 107 |
| | — |
| | — |
| | 392 |
| | 260 |
| 392 |
| | 367 |
| Investments at fair value | | $ | 11,578 |
| | 11,501 |
| | 5,872 |
| | 4,347 |
| | 24 |
| | 24 |
| | 6,159 |
| | 6,382 |
| 23,633 |
| | 22,254 |
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(a) The activity for the Level 3 assets is not significant for all years presented. (b) Per adoption of ASU 2015-07, certain investments that are measured at fair value using the net asset value per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy. As per ASU 2015-7 prior year amounts have been reclassified to conform to the current year presentation. The fair value amounts presented in this table are intended to permit reconciliation of the fair value hierarchy to the total retirement plan assets. |