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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Common stock par value (in dollars per share) $ 0.01 $ 0.01
Automotive    
Allowance for doubtful accounts and notes receivable, current $ 192 $ 224
GM Financial    
Allowance for doubtful accounts and notes receivable, current 703 1,002
Allowance for doubtful accounts and notes receivable, noncurrent $ 1,183 $ 976