Debt - Interest Expense and LT Debt Maturities (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Total interest expense	$ 3,496	$ 4,121	$ 4,423
2022	33,796
2023	23,091
2024	13,401
2025	11,228
2026	6,138
Thereafter	22,213
Total	109,867
Automotive
Debt Instrument [Line Items]
Total interest expense	950	1,098	782
2022	463
2023	2,814
2024	84
2025	2,570
2026	57
Thereafter	11,342
Total	17,330
Automotive Financing
Debt Instrument [Line Items]
Financing interest expense	2,546	$ 3,023	$ 3,641
2022	33,333
2023	20,277
2024	13,317
2025	8,658
2026	6,081
Thereafter	10,871
Total	$ 92,537

Interest Expense and Financing Interest Expense

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- Definition

Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal after Year Five

+ References

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Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Five

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Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Four

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Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Three

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Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Two

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Long-term Debt and Finance Lease Obligations, Repayments of Principal in Next Twelve Months

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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This element represents interest incurred for borrowed money which was used to produce goods or render services.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of long-term debt and lease obligation, including portion classified as current.

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