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Long-term Debt and Finance Leases - Schedule of Long-term Debt and Finance Leases (Details) $ / shares in Units, $ in Millions		12 Months Ended
	Feb. 03, 2025 $ / shares	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) $ / shares	Nov. 08, 2024	Oct. 31, 2024 USD ($)	Oct. 30, 2024	Jun. 30, 2024 USD ($)	Jun. 17, 2024	Apr. 16, 2024	Aug. 23, 2021	Dec. 02, 2020	May 24, 2019	Dec. 07, 2017
Debt Instrument [Line Items]
Long-term debt		$ 10,892	$ 10,940
Finance leases		$ 14	$ 19
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]		Total long-term debt and finance leases	Total long-term debt and finance leases
Total long-term debt and finance lease obligations		$ 10,906	$ 10,959
Less current maturities		(996)	(620)
Less debt issuance costs		(86)	(60)
Discounts		(12)	(146)
Total long-term debt and finance leases		9,812	10,133
Debt Instrument, Unamortized Discount [Abstract]
Total discounts		(12)	(146)
Senior Secured First Lien Notes, due 2024
Debt Instrument [Line Items]
Interest rate, stated percentage									3.75%
Tax-exempt bonds
Debt Instrument [Line Items]
Long-term debt		466	466
Recourse Debt
Debt Instrument [Line Items]
Long-term debt		10,892	8,220
Recourse Debt \| Senior Notes, due 2027
Debt Instrument [Line Items]
Long-term debt		$ 0	375		$ 375
Interest rate, stated percentage		6.625%
Recourse Debt \| Senior Notes, due 2028
Debt Instrument [Line Items]
Long-term debt		$ 821	821
Interest rate, stated percentage		5.75%											5.75%
Recourse Debt \| Senior Notes, due 2029
Debt Instrument [Line Items]
Long-term debt		$ 733	733
Interest rate, stated percentage		5.25%										5.25%
Recourse Debt \| Senior Notes, due 2029
Debt Instrument [Line Items]
Long-term debt		$ 500	500
Interest rate, stated percentage		3.375%									3.375%
Recourse Debt \| Senior Notes, due 2029
Debt Instrument [Line Items]
Long-term debt		$ 798	0
Interest rate, stated percentage		5.75%				5.75%
Recourse Debt \| Senior Notes, due 2031
Debt Instrument [Line Items]
Long-term debt		$ 1,030	1,030
Interest rate, stated percentage		3.625%
Recourse Debt \| Senior Notes, due 2032
Debt Instrument [Line Items]
Long-term debt		$ 480	480
Interest rate, stated percentage		3.875%								3.875%
Basis spread on variable rate (as a percent)		0.50%
Recourse Debt \| Senior Notes, due 2033
Debt Instrument [Line Items]
Long-term debt		$ 925	0
Interest rate, stated percentage		6.00%				6.00%
Recourse Debt \| Senior Notes, due 2034
Debt Instrument [Line Items]
Long-term debt		$ 950	0
Interest rate, stated percentage		6.25%				6.25%
Recourse Debt \| Convertible Senior Notes, due 2048
Debt Instrument [Line Items]
Long-term debt		$ 232	575				$ 232
Discounts		$ 0	$ (12)
Interest rate, stated percentage		2.75%
Conversion price per common share (in usd per share) \| $ / shares			$ 41.83
Conversion ratio		0.0244241	0.0239079
Debt Instrument, Unamortized Discount [Abstract]
Total discounts		$ 0	$ (12)
Recourse Debt \| Convertible Senior Notes, due 2048 \| Subsequent Event
Debt Instrument [Line Items]
Conversion price per common share (in usd per share) \| $ / shares	$ 40.78
Conversion ratio	0.0245222
Recourse Debt \| Senior Secured First Lien Notes, due 2024
Debt Instrument [Line Items]
Long-term debt		$ 0	600
Interest rate, stated percentage		3.75%						3.75%
Recourse Debt \| Senior Secured First Lien Notes, due 2025
Debt Instrument [Line Items]
Long-term debt		$ 500	500
Interest rate, stated percentage		2.00%
Recourse Debt \| Senior Secured First Lien Notes, due 2027
Debt Instrument [Line Items]
Long-term debt		$ 900	900
Interest rate, stated percentage		2.45%
Recourse Debt \| Senior Secured First Lien Notes, due 2029
Debt Instrument [Line Items]
Long-term debt		$ 500	500
Interest rate, stated percentage		4.45%
Recourse Debt \| Senior Secured First Lien Notes, due 2033
Debt Instrument [Line Items]
Long-term debt		$ 740	740
Interest rate, stated percentage		7.00%
Recourse Debt \| Term Loan B, due 2031
Debt Instrument [Line Items]
Discounts		$ (2)	0
Debt Instrument, Unamortized Discount [Abstract]
Total discounts		(2)	0
Recourse Debt \| Term Loan B, due 2031 \| Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt		$ 1,317	0
Basis spread on variable rate (as a percent)		1.75%
Recourse Debt \| Tax-exempt bonds
Debt Instrument [Line Items]
Long-term debt		$ 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%
Recourse Debt \| Senior Secured First Lien Notes, due 2025, 2027, 2029 and 2033
Debt Instrument [Line Items]
Discounts			(10)
Debt Instrument, Unamortized Discount [Abstract]
Total discounts			(10)
Recourse Debt \| Senior Secured First Lien Notes, due 2024, 2025, 2027, 2029 and 2033
Debt Instrument [Line Items]
Discounts		$ (10)
Debt Instrument, Unamortized Discount [Abstract]
Total discounts		(10)
Non Recourse Debt
Debt Instrument [Line Items]
Long-term debt		0	2,720
Non Recourse Debt \| Senior Notes, due 2027
Debt Instrument [Line Items]
Interest rate, stated percentage					6.625%
Non Recourse Debt \| Vivint 5.750% Senior Secured Notes, due 2029
Debt Instrument [Line Items]
Long-term debt		0	800
Discounts		$ 0	(103)
Interest rate, stated percentage		5.75%
Debt Instrument, Unamortized Discount [Abstract]
Total discounts		$ 0	(103)
Non Recourse Debt \| Vivint 6.750% Senior Secured Notes, due 2027
Debt Instrument [Line Items]
Long-term debt		$ 0	600
Interest rate, stated percentage		6.75%		6.75%		6.75%
Non Recourse Debt \| Vivint Senior Secured Notes due 2028
Debt Instrument [Line Items]
Long-term debt		$ 0	1,320
Discounts		$ 0	(21)
Interest rate, stated percentage		3.51%
Debt Instrument, Unamortized Discount [Abstract]
Total discounts		$ 0	$ (21)