Debt exchange additional cash consideration paid

No definition available.

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- Definition

Derivative, Notional Amount, Amount Terminated

+ References

No definition available.

+ Details

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- Definition

Rate difference in an interest rate swap relationship

+ References

No definition available.

+ Details

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- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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- Definition

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

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- Definition

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

+ References

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-Topic 210
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-Paragraph 1
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- Definition

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.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

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- Definition

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Financing arrangements (Interest Rate and Cross-currency Swaps) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020 EUR (€)	Dec. 31, 2020 CHF (SFr)	Dec. 31, 2020 GBP (£)	May 31, 2020 USD ($)	Feb. 29, 2020 USD ($)
Debt Instrument [Line Items]
Net Cash Provided by (Used in) Operating Activities	$ 10,497	$ 9,150	$ 11,296
Interest rate swap contracts [Member] \| Designated as Hedging Instrument [Member]
Debt Instrument [Line Items]
Notional amount	5,900	9,600
Derivative, Notional Amount, Amount Terminated	3,650
Net Cash Provided by (Used in) Operating Activities	576
Interest Rate Swap, Two [Member] \| Interest rate swap contracts [Member] \| Designated as Hedging Instrument [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount, Amount Terminated	5,200
Interest Rate Swap, Three [Member] \| Interest rate swap contracts [Member] \| Designated as Hedging Instrument [Member]
Debt Instrument [Line Items]
Notional amount	$ 5,200
0.41% 2023 Swiss franc Bonds [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	0.41%			0.41%	0.41%	0.41%
4.663% notes due 2051 (4.663% 2051 Notes) [Member]
Debt Instrument [Line Items]
Rate difference in an interest rate swap relationship	1.50%
Notes payable [Member]
Debt Instrument [Line Items]
Notional amount	$ 5,900	9,550
Notes payable [Member] \| 3.45% notes due 2020 (3.45% 2020 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.45%			3.45%	3.45%	3.45%
Notional amount	$ 0	$ 900
Notes payable [Member] \| 3.45% notes due 2020 (3.45% 2020 Notes) [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, effective interest rate	1.10%	1.10%		1.10%	1.10%	1.10%
Notes payable [Member] \| 4.10% notes due 2021 (4.10% 2021 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	4.10%			4.10%	4.10%	4.10%
Notional amount	$ 0	$ 1,000
Notes payable [Member] \| 4.10% notes due 2021 (4.10% 2021 Notes) [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, effective interest rate	1.70%	1.70%		1.70%	1.70%	1.70%
Notes payable [Member] \| 3.875% notes due 2021 (3.875% 2021 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.875%			3.875%	3.875%	3.875%
Notional amount	$ 0	$ 1,750
Notes payable [Member] \| 3.875% notes due 2021 (3.875% 2021 Notes) [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, effective interest rate	2.00%	2.00%		2.00%	2.00%	2.00%
Notes payable [Member] \| 3.625% notes due 2022 (3.625% 2022 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.625%			3.625%	3.625%	3.625%
Notional amount	$ 750	$ 750
Notes payable [Member] \| 3.625% notes due 2022 (3.625% 2022 Notes) [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, effective interest rate	2.70%	1.60%		2.70%	2.70%	2.70%
Notes payable [Member] \| 3.625% notes due 2024 (3.625% 2024 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.625%			3.625%	3.625%	3.625%
Notional amount	$ 1,400	$ 1,400
Notes payable [Member] \| 3.625% notes due 2024 (3.625% 2024 Notes) [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, effective interest rate	3.20%	1.40%		3.20%	3.20%	3.20%
Notes payable [Member] \| 3.125% notes due 2025 (3.125% 2025 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.125%			3.125%	3.125%	3.125%
Notional amount	$ 1,000	$ 1,000
Notes payable [Member] \| 3.125% notes due 2025 (3.125% 2025 Notes) [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, effective interest rate	1.80%	0.90%		1.80%	1.80%	1.80%
Notes payable [Member] \| 2.600% notes due 2026 (2.60% 2026 notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	2.60%			2.60%	2.60%	2.60%
Notional amount	$ 1,250	$ 1,250
Notes payable [Member] \| 2.600% notes due 2026 (2.60% 2026 notes) [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, effective interest rate	1.80%	0.30%		1.80%	1.80%	1.80%
Notes payable [Member] \| 1.25% notes due 2022 (1.25% 2022 euro Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	1.25%			1.25%	1.25%	1.25%
Notes payable [Member] \| 0.41% 2023 Swiss franc Bonds [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	0.41%			0.41%	0.41%	0.41%
Notes payable [Member] \| 2.00% 2026 euro Notes [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	2.00%			2.00%	2.00%	2.00%
Notes payable [Member] \| 4.663% notes due 2051 (4.663% 2051 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	4.663%			4.663%	4.663%	4.663%
Notional amount	$ 1,500	$ 1,500
Notes payable [Member] \| 4.663% notes due 2051 (4.663% 2051 Notes) [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Derivative, effective interest rate	2.60%	0.00%		2.60%	2.60%	2.60%
Notes [Member]
Debt Instrument [Line Items]
Face amount							$ 4,000	$ 5,000
Notes [Member] \| 2.20% notes due 2019 (2.20% 2019 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage		2.20%
Notes [Member] \| 3.45% notes due 2020 (3.45% 2020 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.45%			3.45%	3.45%	3.45%
Notes [Member] \| 4.10% notes due 2021 (4.10% 2021 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	4.10%			4.10%	4.10%	4.10%
Notes [Member] \| 3.875% notes due 2021 (3.875% 2021 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.875%			3.875%	3.875%	3.875%
Notes [Member] \| 3.625% notes due 2022 (3.625% 2022 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.625%			3.625%	3.625%	3.625%
Notes [Member] \| 3.625% notes due 2024 (3.625% 2024 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.625%			3.625%	3.625%	3.625%
Notes [Member] \| 3.125% notes due 2025 (3.125% 2025 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.125%			3.125%	3.125%	3.125%
Notes [Member] \| 2.600% notes due 2026 (2.60% 2026 notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	2.60%			2.60%	2.60%	2.60%
Notes [Member] \| 1.25% notes due 2022 (1.25% 2022 euro Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	1.25%			1.25%	1.25%	1.25%
Face amount \| €				€ 1,250,000,000
Notes [Member] \| 0.41% 2023 Swiss franc Bonds [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	0.41%			0.41%	0.41%	0.41%
Face amount \| SFr					SFr 700,000,000
Notes [Member] \| 2.00% 2026 euro Notes [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	2.00%			2.00%	2.00%	2.00%
Face amount \| €				€ 750,000,000
Notes [Member] \| 5.50% 2026 pound sterling Notes [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	5.50%			5.50%	5.50%	5.50%
Face amount \| £						£ 475,000,000
Notes [Member] \| 4.00% 2029 pound sterling Notes [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	4.00%			4.00%	4.00%	4.00%
Face amount \| £						£ 700,000,000
Notes [Member] \| 4.663% notes due 2051 (4.663% 2051 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	4.663%			4.663%	4.663%	4.663%
Notes [Member] \| 6.375% notes due 2037 (6.375% 2037 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	6.375%			6.375%	6.375%	6.375%
Debt Conversion, Converted Instrument, Amount	$ 74
Notes [Member] \| 2.77% notes due 2053 (2.77% 2053 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	2.77%			2.77%	2.77%	2.77%
Face amount	$ 940
Debt exchange additional cash consideration	85
Debt Instrument, Unamortized Discount	$ 264
Notes [Member] \| 6.90% notes due 2038 (6.90% 2038 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	6.90%			6.90%	6.90%	6.90%
Debt Conversion, Converted Instrument, Amount	$ 37
Notes [Member] \| 6.40% notes due 2039 (6.40% 2039 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	6.40%			6.40%	6.40%	6.40%
Debt Conversion, Converted Instrument, Amount	$ 133
Notes [Member] \| 5.75% notes due 2040 (5.75% 2040 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	5.75%			5.75%	5.75%	5.75%
Debt Conversion, Converted Instrument, Amount	$ 39
Notes [Member] \| 5.15% notes due 2041 (5.15% 2041 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	5.15%			5.15%	5.15%	5.15%
Debt Conversion, Converted Instrument, Amount	$ 245
Notes [Member] \| 5.65% notes due 2042 (5.65% 2042 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	5.65%			5.65%	5.65%	5.65%
Debt Conversion, Converted Instrument, Amount	$ 72
Notes [Member] \| 5.375% notes due 2043 (5.375% 2043 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	5.375%			5.375%	5.375%	5.375%
Debt Conversion, Converted Instrument, Amount	$ 76