Condensed Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Consolidated Statements of Comprehensive Income (Parentheticals) [Abstract]
Deferred taxes activity other comprehensive income/(loss)	$ (8)	$ (6)	$ (26)	$ (18)

Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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+ Details