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Accrued and Other Liabilities - Accrued and Other Liabilities (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Accrued liabilities |  |
Dealer and customer allowances, claims and discounts | $ 4,359 | $ 7,300
Deferred revenue | 2,660 | 3,132
Product warranty and related liabilities | 3,339 | 3,048
Payrolls and employee benefits excluding postemployment benefits | 1,732 | 1,864
Other | 7,100 | 7,725
Total accrued liabilities | 19,190 | 23,069
Other liabilities |  |
Deferred revenue | 3,156 | 2,715
Product warranty and related liabilities | 5,841 | 5,193
Operating lease liabilities | 979 | 969
Employee benefits excluding postemployment benefits | 818 | 822
Postemployment benefits including facility idling reserves | 777 | 739
Other | 3,081 | 3,009
Total other liabilities | $ 14,652 | $ 13,447

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