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Consolidated Statements of Comprehensive Income - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Statement of Comprehensive Income [Abstract]      
Net income $ 497 $ (10) $ 395
Other comprehensive income (loss), net of tax      
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax (1) (10) (17)
Unrealized Gain on Securities (3) (1) 0
Defined benefit pension and post retirement plans:      
Change benefit obligations 3 0 3
Amortization of amounts included in net periodic benefit cost 5 4 6
Other (2) 0 0
Other comprehensive income (loss), net of tax 2 (7) (8)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest 499 (17) 387
Net loss attributed to noncontrolling interest 2 5 0
Comprehensive income $ 501 $ (12) $ 387