Accounting Policies and Supplemental Disclosures - Digital Video and Music Content (Details) - USD ($) $ in Billions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Accounting Policies [Abstract]
Digital video and music content, capitalized costs	$ 20.4		$ 20.4		$ 19.6
Digital video and music content, expense	$ 5.1	$ 4.6	$ 10.2	$ 9.2