Long-term Debt and Finance Leases - Schedule of Long-term Debt and Finance Leases (Details) $ / shares in Units, $ in Millions			6 Months Ended
	Aug. 01, 2024 $ / shares	Jun. 30, 2024 USD ($) $ / shares	Jun. 30, 2024 USD ($) $ / shares	Apr. 16, 2024	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 10,863	$ 10,863		$ 10,940
Finance leases		21	21		19
Subtotal long-term debt and finance leases (including current maturities)		10,884	10,884		10,959
Less current maturities		(262)	(262)		(620)
Less debt issuance costs		(62)	(62)		(60)
Discounts		(135)	(135)		(146)
Total long-term debt and finance leases		10,425	10,425		10,133
Senior Secured First Lien Notes, due 2024
Debt Instrument [Line Items]
Interest rate, stated percentage				3.75%
Recourse Debt
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		8,150	8,150		8,220
Recourse Debt | Senior Notes, due 2027
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 375	$ 375		375
Interest rate, stated percentage		6.625%	6.625%
Recourse Debt | Senior Notes, due 2028
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 821	$ 821		821
Interest rate, stated percentage		5.75%	5.75%
Recourse Debt | Senior Notes, due 2029
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 733	$ 733		733
Interest rate, stated percentage		5.25%	5.25%
Recourse Debt | Senior Notes, due 2029
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 500	$ 500		500
Interest rate, stated percentage		3.375%	3.375%
Recourse Debt | Senior Notes, due 2031
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 1,030	$ 1,030		1,030
Interest rate, stated percentage		3.625%	3.625%
Recourse Debt | Senior Notes, due 2032
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 480	$ 480		480
Interest rate, stated percentage		3.875%	3.875%
Recourse Debt | Convertible Senior Notes, due 2048
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 232	$ 232		575
Interest rate, stated percentage		2.75%	2.75%
Convertible notes, conversion price (in usd per share) | $ / shares		$ 41.32	$ 41.32
Conversion rate		0.0241998
Recourse Debt | Convertible Senior Notes, due 2048 | Subsequent Event
Debt Instrument [Line Items]
Convertible notes, conversion price (in usd per share) | $ / shares	$ 41.11
Conversion rate	0.024322
Recourse Debt | Senior Secured First Lien Notes, due 2024
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 0	$ 0		600
Interest rate, stated percentage		3.75%	3.75%
Recourse Debt | Senior Secured First Lien Notes, due 2025
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 500	$ 500		500
Interest rate, stated percentage		2.00%	2.00%
Recourse Debt | Senior Secured First Lien Notes, due 2027
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 900	$ 900		900
Interest rate, stated percentage		2.45%	2.45%
Recourse Debt | Senior Secured First Lien Notes, due 2029
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 500	$ 500		500
Interest rate, stated percentage		4.45%	4.45%
Recourse Debt | Senior Secured First Lien Notes, due 2033
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 740	$ 740		740
Interest rate, stated percentage		7.00%	7.00%
Recourse Debt | Term Loan, due 2031 | Revolving Credit Facility
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 873	$ 873		0
Basis spread on variable rate			2.00%
Recourse Debt | Tax-exempt bonds
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 466	$ 466		466
Recourse Debt | Tax-exempt bonds | Minimum
Debt Instrument [Line Items]
Interest rate, stated percentage		1.25%	1.25%
Recourse Debt | Tax-exempt bonds | Maximum
Debt Instrument [Line Items]
Interest rate, stated percentage		4.75%	4.75%
Non Recourse Debt
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 2,713	$ 2,713		2,720
Non Recourse Debt | Vivint Senior Secured Notes, due 2027
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 600	$ 600		600
Interest rate, stated percentage		6.75%	6.75%
Non Recourse Debt | Vivint Senior Notes, due 2029
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 800	$ 800		800
Interest rate, stated percentage		5.75%	5.75%
Non Recourse Debt | Vivint Senior Secured Term Loan, due 2028
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 1,313	$ 1,313		$ 1,320
Basis spread on variable rate			2.75%