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Long-term Debt and Finance Leases - Schedule of Long-term Debt and Finance Leases (Details) $ / shares in Units, $ in Millions		9 Months Ended
	Oct. 31, 2023 $ / shares	Sep. 30, 2023 USD ($) $ / shares	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 11,863	$ 8,100
Finance leases		19	11
Subtotal long-term debt and finance leases (including current maturities)		11,882	8,111
Less current maturities		(920)	(63)
Less debt issuance costs		(70)	(70)
Discounts		(151)	(2)
Total long-term debt and finance leases		10,741	7,976
Recourse Debt
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		9,140	8,100
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 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)		$ 1,100	1,100
Interest rate, stated percentage		3.875%
Recourse Debt \| Convertible Senior Notes, due 2048
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 575	575
Interest rate, stated percentage		2.75%
Convertible notes, conversion price (in usd per share) \| $ / shares		$ 42.17
Conversion rate		0.0237112
Recourse Debt \| Convertible Senior Notes, due 2048 \| Subsequent Event
Debt Instrument [Line Items]
Convertible notes, conversion price (in usd per share) \| $ / shares	$ 41.83
Conversion rate	0.0239079
Recourse Debt \| Senior Secured First Lien Notes, due 2024
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 600	600
Interest rate, stated percentage		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	0
Interest rate, stated percentage		7.00%
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%
Line of Credit \| Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 300	0
Non Recourse Debt
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		2,723	0
Non Recourse Debt \| Vivint Smart Home Senior Secured Notes, due 2027
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 600	0
Interest rate, stated percentage		6.75%
Non Recourse Debt \| Vivint Smart Home Senior Notes, due 2029
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 800	0
Interest rate, stated percentage		5.75%
Non Recourse Debt \| Vivint Smart Home Senior Secured Term Loan, due 2028
Debt Instrument [Line Items]
Subtotal long-term debt (including current maturities)		$ 1,323	$ 0