Other Financial Data - Schedule of Other Current Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Other Financial Data [Abstract]
Costs to fulfill contracts with customers	$ 370	$ 355
Assets held for sale	354	0
Prepaid expenses	100	109
Taxes receivable	35	74
Other	137	108
Total	$ 996	$ 646