Fair Value of Financial Instruments - Contractual Obligations From the Consumer Financing Program (Details) - Level 3 - Derivatives - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	$ 91	$ 471	$ 119	$ 505
New contractual obligations	(31)	(99)	(31)	(140)
Total losses included in earnings	(4)	86	37	177
Ending balance	121	905	121	905
Consumer Financing Program
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning balance	(124)	(111)	(134)	0
Contractual obligations added from the acquisition of Vivint Smart Home	0	0	0	(112)
New contractual obligations	(43)	(20)	(58)	(22)
Settlements	22	19	43	22
Total losses included in earnings	(6)	(3)	(2)	(3)
Ending balance	$ (151)	$ (115)	$ (151)	$ (115)