Other Financial Information - Other Current Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Affiliate obligations	$ 57	$ 57
Operating lease liabilities	22	21
Other	48	52
Total other current liabilities	$ 127	$ 130