Revenue Recognition - Customer Receivables and Contract Balances (Details) - USD ($) $ in Millions	Sep. 30, 2023	Jan. 01, 2023	Dec. 31, 2022	Jan. 01, 2022
Capitalized Contract Cost [Line Items]
Customer receivables	$ 567		$ 515
Contract assets	9		13
Contract liabilities	239	$ 281	222	$ 305
Accounts receivable, gross	580		534
Allowance for credit losses	13		19
Disposal Group, Held-for-sale, Not Discontinued Operations
Capitalized Contract Cost [Line Items]
Customer receivables	70		76
Contract assets	11		16
Contract liabilities	$ 47		$ 59

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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