Accounting Policies and Supplemental Disclosures - Video and Music Content (Details) - USD ($) $ in Billions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Accounting Policies [Abstract]
Digital video and music content, capitalized costs	$ 17.8		$ 17.8		$ 16.7
Weighted average remaining life of capitalized video content			3 years 7 months 6 days
Digital video and music content, expense	$ 4.4	$ 3.7	$ 8.4	$ 7.3