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Consolidated Statements Of Comprehensive Income - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
[1]
Jun. 30, 2018
Jun. 30, 2017
[1]
Statement of Comprehensive Income [Abstract]        
Net income $ 633 $ 121 $ 1,122 $ 440
Other comprehensive income, net of tax:        
Change in value of available-for-sale securities 0 1 (2) 3
Actuarial gain relating to pension and other postretirement benefit plans 0 (1) (2) (3)
Change in other comprehensive income from unconsolidated affiliates 2 (1) 7 (1)
Other comprehensive income (loss), net of tax 2 (1) 3 (1)
Comprehensive income 635 120 1,125 439
Less: Comprehensive income attributable to noncontrolling interest 280 (92) 407 (12)
Comprehensive income attributable to partners $ 355 $ 212 $ 718 $ 451
[1] As adjusted. See Note 1.