Revenue Recognition - Schedule of Contract with Customer, Asset and Liability (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Capitalized Contract Cost [Line Items]
Customer receivables	$ 1,372	$ 1,424
Contract assets	29	34
Contract liabilities	725	656
Accounts receivable, gross	1,400	1,500
Allowance for credit losses	63	73
Contract liabilities		715	$ 841
Held-for-sale, Not Discontinued Operations | EMEA Business
Capitalized Contract Cost [Line Items]
Customer receivables	70	76
Contract assets	11	16
Contract liabilities	$ 47	$ 59