Revenue Recognition - Customer Receivables and Contract Balances (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jan. 01, 2023	Dec. 31, 2022	Jan. 01, 2022
Capitalized Contract Cost [Line Items]
Customer receivables	$ 516		$ 515
Contract assets	8		13
Contract liabilities	222	$ 281	222	$ 305
Accounts receivable, gross	533		534
Allowance for credit losses	17		19
Disposal Group, Held-for-sale, Not Discontinued Operations
Capitalized Contract Cost [Line Items]
Customer receivables	77		76
Contract assets	12		16
Contract liabilities	$ 62		$ 59