Revenue Recognition - Opening and Closing Balances (Details) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Receivables		$ 543	$ 469
Contract with Customer, Asset, Net	[1]	$ 24	$ 24

[1] (1) Contract assets are included primarily within Prepaid expenses, deposits and other current assets in our consolidated balance sheets.