Long-term Corporate Debt and Borrowing Arrangements - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2026	May 31, 2026
Debt Instrument [Line Items]
Line of credit balance	$ 21,798
Senior Notes \| 8.000% Senior Notes
Debt Instrument [Line Items]
Debt issued		$ 300
Debt instrument stated interest percentage	8.00%	8.00%
Senior Notes \| 5.750% Senior Notes
Debt Instrument [Line Items]
Debt instrument stated interest percentage	5.75%	5.75%
Debt repurchased	$ 300
SBLC Facility \| Line of Credit
Debt Instrument [Line Items]
Line of credit balance	464
Letters of credit issued	464
Senior revolving credit facility maturing 2031 \| Line of Credit
Debt Instrument [Line Items]
Line of credit balance	2,000
Letters of credit issued	1,729
Senior revolving credit facility maturing 2028 \| Line of Credit
Debt Instrument [Line Items]
Line of credit balance	200
Letters of credit issued	$ 0

Face (par) amount of debt instrument at time of issuance.

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