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Accrued and Other Liabilities - Product Warranty and Related Liabilities (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Product Warranty and Related Liabilities [Roll Forward]      
Warranty balance at beginning of period $ 8,242 $ 7,798 $ 7,590
Warranties issued and assumed in period – recall campaigns 2,820 1,628 745
Warranties issued and assumed in period – product warranty 1,665 1,773 2,001
Payments (3,249) (2,986) (3,012)
Adjustments to pre-existing warranties 315 41 455
Effect of foreign currency and other (19) (12) 19
Warranty balance at end of period 9,774 8,242 7,798
Less: Supplier recoveries balance at end of period(a) 2,039 224 241
Warranty balance, net of supplier recoveries at end of period 7,735 8,018 7,557
Product warranty expense, net of recoveries      
Warranties issued and assumed in period 4,485 3,401 2,746
Supplier recoveries accrued in period (2,175) (322) (433)
Adjustments and other 296 29 474
Warranty expense, net of supplier recoveries 2,606 3,108 2,787
Loss Contingencies [Line Items]      
Warranties issued and assumed in period – recall campaigns 2,820 $ 1,628 $ 745
Chevrolet Bolt EV Recall      
Product Warranty and Related Liabilities [Roll Forward]      
Warranties issued and assumed in period – recall campaigns 2,000    
Loss Contingencies [Line Items]      
Warranties issued and assumed in period – recall campaigns $ 2,000