Long-Term Debt - Schedule of Long-Term Debt (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Senior secured debt	$ 2,227	$ 4,160
Debt issuance costs and discounts	(378)	(333)
Total debt (average life of 10.8 years, rates averaging 5.1%)	42,965	39,593
Less amounts due within one year	4,682	2,424
Long-term debt	38,283	37,169
Senior Secured Asset-Based Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term line of credit	0	1,880
Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term line of credit	0	0
Senior Secured Term Loan Facilities [Member]
Debt Instrument [Line Items]
Senior secured debt	1,256	1,313
Other Senior Secured Debt [Member]
Debt Instrument [Line Items]
Other senior secured debt	971	967
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Senior unsecured notes	$ 41,116	$ 35,766

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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