Revenue Recognition - Customer Receivables and Contract Balances (Details) - USD ($) $ in Millions	Sep. 30, 2022	Jan. 01, 2022	Dec. 31, 2021	Jan. 01, 2021
Capitalized Contract Cost [Line Items]
Customer receivables	$ 593		$ 640
Contract assets	30		35
Contract liabilities	287	$ 305	247	$ 385
Accounts receivable, gross	620		679
Allowance for credit losses	$ 27		39
Disposal Group, Held-for-sale, Not Discontinued Operations
Capitalized Contract Cost [Line Items]
Customer receivables			83
Contract assets			0
Contract liabilities			$ 58