Accumulated Other Comprehensive Loss	3 Months Ended
Accumulated Other Comprehensive Loss	Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Loss	Note 15—Accumulated Other Comprehensive Loss Accumulated other comprehensive loss in the equity section of our consolidated balance sheet included: Millions of Dollars Defined Benefit Plans Net Unrealized Loss on Securities Foreign Currency Translation Accumulated Other Comprehensive Loss December 31, 2019 $ (350) - (5,007) (5,357) Other comprehensive income (loss) 11 (2) (797) (788) March 31, 2020 $ (339) (2) (5,804) (6,145) The following table summarizes reclassifications out of accumulated other comprehensive loss and into net income (loss): Millions of Dollars Three Months Ended March 31 2020 2019 Defined benefit plans $ 8 13 The above amounts are included in the computation of net periodic benefit cost and are presented net of tax expense of $ 2 million and $ 5 million for the three-month periods ended March 31, 2020 and 2019, respectively. See Note 17—Employee Benefit Plans, for additional information.