Equity Based Compensation (Narrative) (Details) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 31, 2023 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity compensation expense \| $	$ 4
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	129,146
Stock appreciation rights granted, weighted average exercise price (per share) \| $ / shares	$ 138.34
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	1,737,943
Options exercisable, weighted average price (per share) \| $ / shares	$ 113.12
Options, remaining term	4 years 6 months
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount \| $	$ 31
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	1 year 2 months 12 days
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	185,311
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	105,122

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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