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Other Accrued Liabilities
 3 Months Ended
Mar. 31, 2021
Other Liabilities Disclosure [Abstract]  
Other Accrued Liabilities Other Accrued Liabilities
Other accrued liabilities are comprised of the following at the dates indicated (in millions):
March 31, 2021December 31, 2020
Customer accruals$638 $683 
Accrued interest expense125 60 
Operating lease liabilities125 129 
Accrued self-insurance liabilities, contingencies and warranty105 108 
Accrued income taxes81 66 
Accruals for marketing and freight expenses56 57 
Other210 290 
$1,340 $1,393