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Consolidated Statements Of Comprehensive Income - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Statement of Comprehensive Income [Abstract]        
Net income $ 1,208 $ 633 $ 2,388 $ 1,122
Other comprehensive income, net of tax:        
Change in value of available-for-sale securities 3 0 8 (2)
Actuarial gain (loss) related to pension and other postretirement benefit plans 3 0 10 (2)
Change in other comprehensive income from unconsolidated affiliates (5) 2 (9) 7
Other comprehensive income (loss), net of tax 1 2 9 3
Comprehensive income 1,209 635 2,397 1,125
Less: Comprehensive income attributable to noncontrolling interests 317 280 614 407
Other Comprehensive Income, Portion Attributable to Redeemable Noncontrolling Interest 13 0 26 0
Comprehensive income attributable to partners $ 879 $ 355 $ 1,757 $ 718