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Revenue Recognition - Contract Balances, Information about Receivables and Deferred Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Trade receivables	$ 317	$ 349
Policy period	1 year
Revenue recognized	$ 84	98
Deferred Revenue
Disaggregation of Revenue [Line Items]
Deferred revenue (contract liabilities)	$ 91	$ 93

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