| Note 24—Related Party Transactions | |
| | | | | | | | | |
| We consider our equity method investments to be related parties. Significant transactions with related parties were: | |
| | | | | | | | | |
| | | Millions of Dollars | |
| | | 2013 | | 2012 | | 2011 | |
| | | | | | | | | |
| Operating revenues and other income | $ | 102 | | 59 | | 49 | |
| Purchases | | 184 | | 261 | | 327 | |
| Operating expenses and selling, general and administrative expenses | | 193 | | 183 | | 233 | |
| Net interest expense* | | 31 | | 38 | | 61 | |
| *We paid interest to, or received interest from, various affiliates, including FCCL Partnership. See Note 7—Investments, Loans and Long-Term | |
| Receivables and Note 12—Joint Venture Acquisition Obligation, for additional information on loans to affiliated companies. | |
