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Derivatives and Financial Instruments | 6 Months Ended
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Jun. 30, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Derivatives and Financial Instruments | Derivatives and Financial Instruments Derivative Instruments We use financial and commodity-based derivative contracts to manage exposures to fluctuations in commodity prices, interest rates and foreign currency exchange rates, or to capture market opportunities. Because we do not apply hedge accounting for commodity derivative contracts, all realized and unrealized gains and losses from commodity derivative contracts are recognized in our consolidated statement of operations. Gains and losses from derivative contracts held for trading not directly related to our physical business are reported net in the “Other income” line item on our consolidated statement of operations. Cash flows from all our derivative activity for the periods presented appear in the operating section on our consolidated statement of cash flows. Purchase and sales contracts with firm minimum notional volumes for commodities that are readily convertible to cash are recorded on our consolidated balance sheet as derivatives unless the contracts are eligible for, and we elect, the normal purchases and normal sales exception, whereby the contracts are recorded on an accrual basis. We generally apply the normal purchases and normal sales exception to eligible crude oil, refined petroleum product, NGL, natural gas and power commodity contracts to purchase or sell quantities we expect to use or sell in the normal course of business. All other derivative instruments are recorded at fair value on our consolidated balance sheet. For further information on the fair value of derivatives, see Note 13—Fair Value Measurements. Commodity Derivative Contracts—We sell into or receive supply from the worldwide crude oil, refined petroleum product, NGL, natural gas and electric power markets, exposing our revenues, purchases, cost of operating activities and cash flows to fluctuations in the prices for these commodities. Generally, our policy is to remain exposed to the market prices of commodities; however, we use futures, forwards, swaps and options in various markets to balance physical systems, meet customer needs, manage price exposures on specific transactions, and do a limited amount of trading not directly related to our physical business, all of which may reduce our exposure to fluctuations in market prices. We also use the market knowledge gained from these activities to capture market opportunities such as moving physical commodities to more profitable locations, storing commodities to capture seasonal or time premiums, and blending commodities to capture quality upgrades. The following table indicates the consolidated balance sheet line items that include the fair values of commodity derivative assets and liabilities. The balances in the following table are presented on a gross basis, before the effects of counterparty and collateral netting. However, we have elected to present our commodity derivative assets and liabilities with the same counterparty on a net basis on our consolidated balance sheet when the legal right of offset exists.
| Millions of Dollars |  |  |  |  |  |  |  |  |
| June 30, 2020 |  |  |  |  |  | December 31, 2019 |  |  |
| Commodity Derivatives |  | Effect of Collateral Netting | Net Carrying Value Presented on the Balance Sheet |  |  | Commodity Derivatives |  | Effect of Collateral Netting | Net Carrying Value Presented on the Balance Sheet
| Assets | Liabilities |  |  |  |  | Assets | Liabilities |  |
Assets |  |  |  |  |  |  |  |  |  |
Prepaid expenses and other current assets | $ | 56 |  | (25) |  | — |  | 31 |  |  |  | 23 |  | — |  | — |  | 23 |
Other assets | — |  | — |  | — |  | — |  |  |  | 3 |  | — |  | — |  | 3 |
Liabilities |  |  |  |  |  |  |  |  |  |
Other accruals | 1,216 |  | (1,399) |  | 168 |  | (15) |  |  |  | 1,188 |  | (1,281) |  | 80 |  | (13) |
Other liabilities and deferred credits | — |  | (1) |  | — |  | (1) |  |  |  | — |  | (1) |  | — |  | (1) |
Total | $ | 1,272 |  | (1,425) |  | 168 |  | 15 |  |  |  | 1,214 |  | (1,282) |  | 80 |  | 12 |
At June 30, 2020, and December 31, 2019, there was no material cash collateral received or paid that was not offset on our consolidated balance sheet. The realized and unrealized gains (losses) incurred from commodity derivatives, and the line items where they appear on our consolidated statement of operations, were:
| Millions of Dollars |  |  |  |  |
| Three Months Ended June 30 |  |  |  | Six Months Ended June 30 |
| 2020 |  |  | 2019 |  |  | 2020 |  | 2019 |
Sales and other operating revenues | $ | (180) |  |  | 17 |  |  | 499 |  | (160) |
Other income | 6 |  |  | — |  |  | 9 |  | 13 |
Purchased crude oil and products | (124) |  |  | 54 |  |  | 317 |  | (101) |
Net gain (loss) from commodity derivative activity | $ | (298) |  |  | 71 |  |  | 825 |  | (248) |
The following table summarizes our material net exposures resulting from outstanding commodity derivative contracts. These financial and physical derivative contracts are primarily used to manage price exposure on our underlying operations. The underlying exposures may be from nonderivative positions such as inventory volumes. Financial derivative contracts may also offset physical derivative contracts, such as forward purchase and sales contracts. The percentage of our derivative contract volumes expiring within the next 12 months was at least 98% at June 30, 2020, and December 31, 2019.
| Open Position Long / (Short) |  |
| June 30 2020 |  | December 31 2019
Commodity |  |  |
Crude oil, refined petroleum products and NGL (millions of barrels) | (36) |  |  | (16) |
Interest Rate Derivative Contracts—In 2016, we entered into interest rate swaps to hedge the variability of lease payments on our headquarters facility. These monthly lease payments vary based on monthly changes in the one-month London Inter-Bank Offered Rate (LIBOR) and changes, if any, in our credit rating over the five-year term of the lease. The pay-fixed, receive-floating interest rate swaps have an aggregate notional value of $650 million and end in April 2021. We have designated these swaps as cash flow hedges. The aggregate net fair value of these swaps was immaterial at June 30, 2020, and December 31, 2019. We report the mark-to-market gains or losses on our interest rate swaps designated as highly effective cash flow hedges as a component of other comprehensive income (loss), and reclassify such gains and losses into earnings in the same period during which the hedged transaction affects earnings. Net realized gains and losses from settlements of the swaps were immaterial for the three and six months ended June 30, 2020 and 2019. We currently estimate that before-tax losses of $7 million will be reclassified from accumulated other comprehensive loss into general and administrative expenses during the next 12 months as the hedged transactions settle; however, the actual amounts that will be reclassified will vary based on changes in interest rates. Credit Risk from Derivative Instruments The credit risk from our derivative contracts, such as forwards and swaps, derives from the counterparty to the transaction. Individual counterparty exposure is managed within predetermined credit limits and includes the use of cash-call margins when appropriate, thereby reducing the risk of significant nonperformance. We also use futures, swaps and option contracts that have a negligible credit risk because these trades are cleared with an exchange clearinghouse and subject to mandatory margin requirements, typically on a daily basis, until settled. Certain of our derivative instruments contain provisions that require us to post collateral if the derivative exposure exceeds a threshold amount. We have contracts with fixed threshold amounts and other contracts with variable threshold amounts that are contingent on our credit rating. The variable threshold amounts typically decline for lower credit ratings, while both the variable and fixed threshold amounts typically revert to zero if our credit ratings fall below investment grade. Cash is the primary collateral in all contracts; however, many contracts also permit us to post letters of credit as collateral. The aggregate fair values of all derivative instruments with such credit-risk-related contingent features that were in a liability position were immaterial at June 30, 2020, and December 31, 2019.

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts, including disclosure of credit risk. + References No definition available. + Details
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