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Long-term Debt, Interest Payable, Year Two

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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Loans Payable, Long-Term Debt and Leases - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Long-term debt, current maturities	$ 2,300,000,000	$ 2,300,000,000
Loans payable and current portion of long-term debt	2,412,000,000	6,431,000,000
Long-term debt	30,690,000,000	$ 25,360,000,000
Face amount of debt	8,000,000,000
Long-term debt, maturities, repayments of principal in 2022	2,300,000,000
Long-term debt, maturities, repayments of principal in 2023	1,700,000,000
Long-term debt, maturities, repayments of principal in 2024	1,300,000,000
Long-term debt, maturities, repayments of principal in 2025	2,500,000,000
Long-term debt, maturities, repayments of principal in 2026	2,300,000,000
Long-term debt, interest payments in 2022	910,000,000
Long-term debt, interest payments in 2023	875,000,000
Long-term debt, interest payments in 2024	838,000,000
Long-term debt, interest payments in 2025	771,000,000
Long-term debt, interest payments in 2026	743,000,000
Available borrowing capacity under credit facility	$ 6,000,000,000
Operating lease, weighted average remaining lease term	7 years	8 years
Operating lease, cost	$ 343,000,000	$ 340,000,000	$ 333,000,000
Operating lease, payments	340,000,000	334,000,000	275,000,000
Right-of-use asset obtained in exchange for operating lease liability	117,000,000	$ 473,000,000	$ 125,000,000
Lessee, operating lease, lease not yet commenced, amount	$ 86,000,000
Other Variable Rate Debt
Debt Instrument [Line Items]
Effective interest rate	0.00%	0.45%
6.30% debentures due 2026
Debt Instrument [Line Items]
Long-term debt	$ 135,000,000	$ 135,000,000
Stated interest rate	6.30%
1.70% notes due 2027
Debt Instrument [Line Items]
Long-term debt	$ 1,493,000,000	0
Stated interest rate	1.70%
Face amount of debt	$ 1,500,000,000
1.90% notes due 2028
Debt Instrument [Line Items]
Long-term debt	$ 994,000,000	0
Stated interest rate	1.90%
Face amount of debt	$ 1,000,000,000
2.15% notes due 2031
Debt Instrument [Line Items]
Long-term debt	$ 1,986,000,000	0
Stated interest rate	2.15%
Face amount of debt	$ 2,000,000,000
2.75% notes due 2051
Debt Instrument [Line Items]
Long-term debt	$ 1,979,000,000	0
Stated interest rate	2.75%
Face amount of debt	$ 2,000,000,000
2.90% notes due 2061
Debt Instrument [Line Items]
Long-term debt	$ 1,484,000,000	0
Stated interest rate	2.90%
Face amount of debt	$ 1,500,000,000
Commercial Paper
Debt Instrument [Line Items]
Loans payable and current portion of long-term debt		$ 4,000,000,000
Weighted-average interest rate of commercial paper	0.08%	0.79%
Notes Subject To Repayment At Option Of Holder
Debt Instrument [Line Items]
Loans payable and current portion of long-term debt	$ 149,000,000	$ 73,000,000
Buildings
Debt Instrument [Line Items]
Operating lease, weighted average remaining lease term	7 years
Lessee, operating lease, renewal term	4 years
Vehicles
Debt Instrument [Line Items]
Operating lease, weighted average remaining lease term	4 years