Long-term Debt and Finance Leases - Schedule of Long-term Debt and Finance Leases (Details) $ / shares in Units, $ in Millions			9 Months Ended
	Nov. 01, 2024 $ / shares	Jun. 30, 2024 USD ($)	Sep. 30, 2024 USD ($) $ / shares	Nov. 08, 2024	Oct. 31, 2024	Oct. 30, 2024	Jun. 17, 2024	Apr. 16, 2024	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 10,858						$ 10,940
Finance leases			11						19
Subtotal long-term debt and finance leases (including current maturities)			10,869						10,959
Less current maturities			(258)						(620)
Less debt issuance costs			(60)						(60)
Discounts			(129)						(146)
Total long-term debt and finance leases			10,422						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)			8,148						8,220
Recourse Debt | Senior Notes, due 2027
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 375						375
Interest rate, stated percentage			6.625%
Recourse Debt | Senior Notes, due 2027 | Subsequent Event
Debt Instrument [Line Items]
Interest rate, stated percentage					6.625%
Recourse Debt | Senior Notes, due 2028
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 821						821
Interest rate, stated percentage			5.75%
Recourse Debt | Senior Notes, due 2029
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 733						733
Interest rate, stated percentage			5.25%
Recourse Debt | Senior Notes, due 2029
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 500						500
Interest rate, stated percentage			3.375%
Recourse Debt | Senior Notes, due 2031
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 1,030						1,030
Interest rate, stated percentage			3.625%
Recourse Debt | Senior Notes, due 2032
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 480						480
Interest rate, stated percentage			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%
Convertible notes, conversion price (in usd per share) | $ / shares			$ 41.11
Conversion rate		0.0243220
Recourse Debt | Convertible Senior Notes, due 2048 | Subsequent Event
Debt Instrument [Line Items]
Convertible notes, conversion price (in usd per share) | $ / shares	$ 40.94
Conversion rate	0.0244241
Recourse Debt | Senior Secured First Lien Notes, due 2024
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 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
Interest rate, stated percentage			2.00%
Recourse Debt | Senior Secured First Lien Notes, due 2027
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 900						900
Interest rate, stated percentage			2.45%
Recourse Debt | Senior Secured First Lien Notes, due 2029
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 500						500
Interest rate, stated percentage			4.45%
Recourse Debt | Senior Secured First Lien Notes, due 2033
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 740						740
Interest rate, stated percentage			7.00%
Recourse Debt | Term Loan, due 2031 | Revolving Credit Facility
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 871						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
Recourse Debt | Tax-exempt bonds | Minimum
Debt Instrument [Line Items]
Interest rate, stated percentage			1.25%
Recourse Debt | Tax-exempt bonds | Maximum
Debt Instrument [Line Items]
Interest rate, stated percentage			4.75%
Non Recourse Debt
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 2,710						2,720
Non Recourse Debt | Vivint Senior Secured Notes, due 2027
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 600						600
Interest rate, stated percentage			6.75%
Non Recourse Debt | Vivint Senior Secured Notes, due 2027 | Subsequent Event
Debt Instrument [Line Items]
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
Interest rate, stated percentage			5.75%
Non Recourse Debt | Vivint Senior Secured Term Loan, due 2028
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)			$ 1,310						$ 1,320
Basis spread on variable rate			2.75%