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Balance Sheet Classifications, Fair Value, Gross and Pro Forma Net Amounts of Derivative Financial Instruments (Detail) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
ASSETS |  |
Derivative assets | $ 48.0 | $ 119.4
Pro forma net amount | $ 24.4 | $ 95.5
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Assets | Assets
LIABILITIES |  |
Derivative liabilities | $ 189.8 | $ 98.2
Pro forma net amount | $ 166.2 | $ 74.3
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Liabilities | Liabilities
Interest-Rate Contracts | Financial Services |  |
ASSETS |  |
Less amounts not offset in financial instruments | $ (21.8) | $ (21.5)
LIABILITIES |  |
Less amounts not offset in financial instruments | (21.8) | (21.5)
Foreign-exchange contracts | Financial Services |  |
ASSETS |  |
Less amounts not offset in financial instruments |  | (1.8)
LIABILITIES |  |
Less amounts not offset in financial instruments |  | (1.8)
Foreign-exchange contracts | Truck, Parts and Other |  |
ASSETS |  |
Less amounts not offset in financial instruments | (1.0) | (0.1)
LIABILITIES |  |
Less amounts not offset in financial instruments | (1.0) | (0.1)
Commodity Contract | Truck, Parts and Other |  |
ASSETS |  |
Less amounts not offset in financial instruments | (0.8) | (0.5)
LIABILITIES |  |
Less amounts not offset in financial instruments | (0.8) | (0.5)
Designated under hedge accounting |  |
ASSETS |  |
Derivative assets | 47.2 | 118.4
LIABILITIES |  |
Derivative liabilities | 189.1 | 97.8
Designated under hedge accounting | Interest-Rate Contracts | Financial Services | Other Assets |  |
ASSETS |  |
Derivative assets | 37.3 | 58.0
Designated under hedge accounting | Interest-Rate Contracts | Financial Services | Deferred Taxes and Other Liabilities |  |
LIABILITIES |  |
Derivative liabilities | 131.6 | 82.6
Designated under hedge accounting | Foreign-exchange contracts | Financial Services | Other current assets |  |
ASSETS |  |
Derivative assets |  | 1.6
Designated under hedge accounting | Foreign-exchange contracts | Financial Services | Deferred Taxes and Other Liabilities |  |
LIABILITIES |  |
Derivative liabilities | 6.0 | 5.1
Designated under hedge accounting | Foreign-exchange contracts | Truck, Parts and Other | Other current assets |  |
ASSETS |  |
Derivative assets | 9.1 | 57.3
Designated under hedge accounting | Foreign-exchange contracts | Truck, Parts and Other | Accounts payable, accrued expenses and other |  |
LIABILITIES |  |
Derivative liabilities | 48.8 | 9.5
Designated under hedge accounting | Commodity Contract | Truck, Parts and Other | Other current assets |  |
ASSETS |  |
Derivative assets | 0.8 | 1.5
Designated under hedge accounting | Commodity Contract | Truck, Parts and Other | Accounts payable, accrued expenses and other |  |
LIABILITIES |  |
Derivative liabilities | 2.7 | 0.6
Not designated as hedging instruments |  |
ASSETS |  |
Derivative assets | 0.8 | 1.0
LIABILITIES |  |
Derivative liabilities | 0.7 | 0.4
Not designated as hedging instruments | Foreign-exchange contracts | Financial Services | Other Assets |  |
ASSETS |  |
Derivative assets | 0.1 |
Not designated as hedging instruments | Foreign-exchange contracts | Financial Services | Deferred Taxes and Other Liabilities |  |
LIABILITIES |  |
Derivative liabilities | 0.1 | 0.1
Not designated as hedging instruments | Foreign-exchange contracts | Truck, Parts and Other | Other current assets |  |
ASSETS |  |
Derivative assets | 0.7 | 1.0
Not designated as hedging instruments | Foreign-exchange contracts | Truck, Parts and Other | Accounts payable, accrued expenses and other |  |
LIABILITIES |  |
Derivative liabilities | $ 0.6 | 0.1
Not designated as hedging instruments | Commodity Contract | Truck, Parts and Other | Accounts payable, accrued expenses and other |  |
LIABILITIES |  |
Derivative liabilities |  | $ 0.2

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