Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite-lived intangible assets:
Finite-lived intangible assets, gross carrying amount	$ 104	$ 76
Finite-lived intangible assets, accumulated amortization	30	33
Indefinite-lived intangible assets, gross carrying amount	77	68
Total other intangible assets, gross carrying amount	181	144
Total other intangible assets, accumulated amortization	30	33
Amortization Expense [Abstract]
Amortization expense	3	3	$ 3
Estimated amortization expense in 2023	4
Estimated amortization expense in 2024	4
Estimated amortization expense in 2025	4
Estimated amortization expense in 2026	4
Estimated amortization expense in 2027	4
Customer relationships
Finite-lived intangible assets:
Finite-lived intangible assets, gross carrying amount	93	59
Finite-lived intangible assets, accumulated amortization	21	19
Other
Finite-lived intangible assets:
Finite-lived intangible assets, gross carrying amount	11	17
Finite-lived intangible assets, accumulated amortization	$ 9	$ 14