Other Assets - Capitalized Software (Details) - Capitalized software - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other information related to capitalized software
Amortization expense for capitalized software	$ 10	$ 11	$ 12
Estimated amortization expense
2023	9
2024	8
2025	8
2026	7
2027	$ 7

Amount of expense for amortization of capitalized computer software costs.

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-Publisher FASB
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-Topic 985
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