Long-Term Debt - Schedule of Long-Term Debt (Detail) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Senior secured debt	$ 3,785	$ 5,733
Debt issuance costs and discounts	(341)	(301)
Total debt (average life of 9.6 years, rates averaging 5.1%)	39,346	38,084
Less amounts due within one year	2,553	370
Long-term debt	36,793	37,714
Senior Secured Asset-Based Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term line of credit	1,480	2,900
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	1,331	1,880
Other Senior Secured Debt [Member]
Debt Instrument [Line Items]
Other senior secured debt	974	953
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Senior unsecured notes	$ 35,902	$ 32,652

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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