Debt Under Vehicle Programs And Borrowing Arrangements (Schedule Of Contractual Maturities) (Detail) - Deferred Financing Fees $ in Millions	Sep. 30, 2022 USD ($)
Debt Instrument [Line Items]
Within 1 year	$ 2,192
Between 1 and 2 years	5,302
Between 2 and 3 years	1,908
Between 3 and 4 years	1,994
Between 4 and 5 years	1,383
Thereafter	378
Total	13,157
Bank And Bank-Sponsored Facilities
Debt Instrument [Line Items]
Within 1 year	1,000
Between 1 and 2 years	$ 3,700

Long-Term Debt, Maturity, after Year Four

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in remainder of current fiscal year.

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