Amounts Outstanding Including Foreign Finance Affiliates (Detail) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Due from PACCAR and affiliates
Loans due from PACCAR	$ 1,186.0	$ 1,151.0
Loans due from foreign finance affiliates	215.0	275.0
Tax-related receivable due from PACCAR		28.8
Receivables	6.6	10.5
Total	1,407.6	1,465.3	[1]
Due to PACCAR and affiliates
Tax-related payable due to PACCAR	47.8
Payables	24.7	54.8
Total	$ 72.5	$ 54.8	[1]

[1] The December 31, 2021 balance sheet has been derived from audited financial statements.