Description of Business, Accounting Policies, and Supplemental Disclosures - Digital Video and Music Content (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Weighted average remaining life, capitalized video content		2 years 7 months 6 days
Video and music content, capitalized costs		$ 16,700	$ 10,700
Video and music content, expense		16,600	13,000
Change in Accounting Estimate [Line Items]
Net income (loss)		$ (2,722)	$ 33,364	$ 21,331
Forecast | Change in weighted average life of capitalized video content
Change in Accounting Estimate [Line Items]
Net income (loss)	$ 1,000