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Debt - Asset-Backed Debt Narrative (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Apr. 25, 2024
Debt Instrument [Line Items]
Repayments of debt	$ 2,028
Asset-Backed Debt
Debt Instrument [Line Items]
Secured debt, carrying value	23,300
Asset Backed Notes
Debt Instrument [Line Items]
Principal Amount Issued	1,915
Asset Backed Notes \| Subsequent Event
Debt Instrument [Line Items]
Principal Amount Issued		$ 875
Debt instrument, interest rate, stated percentage		5.37%
Secured Debt \| Asset Backed Notes
Debt Instrument [Line Items]
Repayments of debt	$ 508
Secured Debt \| Asset Backed Notes \| Term One
Debt Instrument [Line Items]
Revolving period	2 years
Secured Debt \| Asset Backed Notes \| Term Two
Debt Instrument [Line Items]
Revolving period	3 years
Secured Debt \| Asset Backed Notes \| Term Three
Debt Instrument [Line Items]
Revolving period	5 years