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Consolidated Statements Of Comprehensive Income - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Net income $ 3,365 $ 2,366 $ 0
Other comprehensive income (loss), net of tax:      
Change in value of available-for-sale securities (4) 6 2
Actuarial loss relating to pension and other postretirement benefits (43) (12) (1)
Foreign currency translation adjustment 0 0 (1)
Change in other comprehensive income from unconsolidated affiliates 4 1 4
Other comprehensive income (loss), net of tax, total (43) (5) 4
Comprehensive income 3,322 2,361 4
Less: Comprehensive income (loss) attributable to noncontrolling interest 1,632 1,407 (991)
Less: Comprehensive income attributable to redeemable noncontrolling interest 39 0 0
Comprehensive income attributable to partners $ 1,651 $ 954 $ 995