Other Financial Information (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Prepaid Expense and Other Assets, Current [Abstract]
Prepaid expenses	$ 123	$ 99
Contract assets	6	10
Other	13	2
Total other current assets	232	197
Other current assets reclassified as held for sale		56
Fulfillment Costs
Prepaid Expense and Other Assets, Current [Abstract]
Contract costs	50	44
Acquisition Costs
Prepaid Expense and Other Assets, Current [Abstract]
Contract costs	$ 40	$ 42