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Long-term Debt and Finance Leases - Schedule of Long-term Debt and Finance Leases (Details) $ / shares in Units, $ in Millions		3 Months Ended
	May 01, 2025 $ / shares	Mar. 31, 2025 USD ($) $ / shares	Dec. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)
Debt Instrument [Line Items]
Finance leases		$ 14	$ 14
Subtotal long-term debt and finance leases (including current maturities)		10,903	10,906
Less current maturities		(997)	(996)
Less debt issuance costs		(83)	(86)
Discounts		(11)	(12)
Total long-term debt and finance leases		9,812	9,812
Recourse Debt
Debt Instrument [Line Items]
Subtotal recourse debt		10,889	10,892
Recourse Debt \| Senior Notes, due 2028
Debt Instrument [Line Items]
Subtotal recourse debt		$ 821	821
Interest rate %		5.75%
Recourse Debt \| Senior Notes, due 2029
Debt Instrument [Line Items]
Subtotal recourse debt		$ 733	733
Interest rate %		5.25%
Recourse Debt \| Senior Notes, due 2029
Debt Instrument [Line Items]
Subtotal recourse debt		$ 500	500
Interest rate %		3.375%
Recourse Debt \| Senior Notes, due 2029
Debt Instrument [Line Items]
Subtotal recourse debt		$ 798	798
Interest rate %		5.75%
Recourse Debt \| Senior Notes, due 2031
Debt Instrument [Line Items]
Subtotal recourse debt		$ 1,030	1,030
Interest rate %		3.625%
Recourse Debt \| Senior Notes, due 2032
Debt Instrument [Line Items]
Subtotal recourse debt		$ 480	480
Interest rate %		3.875%
Recourse Debt \| Senior Notes, due 2033
Debt Instrument [Line Items]
Subtotal recourse debt		$ 925	925
Interest rate %		6.00%
Recourse Debt \| Senior Notes, due 2034
Debt Instrument [Line Items]
Subtotal recourse debt		$ 950	950
Interest rate %		6.25%
Recourse Debt \| Convertible Senior Notes, due 2048
Debt Instrument [Line Items]
Subtotal recourse debt		$ 232	232	$ 232
Interest rate %		2.75%
Convertible notes, conversion price (in usd per share) \| $ / shares		$ 40.78
Conversion rate		0.0245222
Recourse Debt \| Convertible Senior Notes, due 2048 \| Subsequent Event
Debt Instrument [Line Items]
Convertible notes, conversion price (in usd per share) \| $ / shares	$ 40.63
Conversion rate	0.0246144
Recourse Debt \| Senior Secured First Lien Notes, due 2025
Debt Instrument [Line Items]
Subtotal recourse debt		$ 500	500
Interest rate %		2.00%
Recourse Debt \| Senior Secured First Lien Notes, due 2027
Debt Instrument [Line Items]
Subtotal recourse debt		$ 900	900
Interest rate %		2.45%
Recourse Debt \| Senior Secured First Lien Notes, due 2029
Debt Instrument [Line Items]
Subtotal recourse debt		$ 500	500
Interest rate %		4.45%
Recourse Debt \| Senior Secured First Lien Notes, due 2033
Debt Instrument [Line Items]
Subtotal recourse debt		$ 740	740
Interest rate %		7.00%
Recourse Debt \| Term Loan B, due 2031 \| Revolving Credit Facility
Debt Instrument [Line Items]
Subtotal recourse debt		$ 1,314	1,317
Basis spread on variable rate		1.75%
Recourse Debt \| Tax-exempt bonds
Debt Instrument [Line Items]
Subtotal recourse debt		$ 466	$ 466
Recourse Debt \| Tax-exempt bonds \| Minimum
Debt Instrument [Line Items]
Interest rate %		1.25%
Recourse Debt \| Tax-exempt bonds \| Maximum
Debt Instrument [Line Items]
Interest rate %		4.75%