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Financing arrangements (Principal Amounts and Carrying Value of Long-term Borrowings) (Details) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2021 CHF (SFr) | Dec. 31, 2021 EUR (€) | Dec. 31, 2021 GBP (£) | Dec. 31, 2020 USD ($)
Carrying values of long-term borrowings |  |  |  |  |
Unamortized bond discounts, premiums and issuance costs, net | $ (1,213) |  |  |  | $ (1,188)
Fair value adjustments | 284 |  |  |  | 566
Other Long-term Debt | 15 |  |  |  | 5
Total carrying value of debt | 33,309 |  |  |  | 32,986
Less current portion | (87) |  |  |  | (91)
Total long-term debt | $ 33,222 |  |  |  | 32,895
0.41% Swiss Franc Bonds Due 2023 (0.41% 2023 Swiss franc Bonds) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 0.41% | 0.41% | 0.41% | 0.41% |
Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Face amount | $ 5,000 |  |  |  | $ 9,000
Notes [Member] | 1.25% 2022 euro Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 1.25% | 1.25% | 1.25% | 1.25% | 1.25%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross |  |  |  |  | $ 1,527
Notes [Member] | 2.70% notes due 2022 (2.70% 2022 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.70% | 2.70% | 2.70% | 2.70% |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 0 |  |  |  | 500
Notes [Member] | 2.65% notes due 2022 (2.65% 2022 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.65% | 2.65% | 2.65% | 2.65% |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 0 |  |  |  | $ 1,500
Notes [Member] | 3.625% notes due 2022 (3.625% 2022 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 3.625% | 3.625% | 3.625% | 3.625% | 3.625%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross |  |  |  |  | $ 750
Notes [Member] | 0.41% Swiss Franc Bonds Due 2023 (0.41% 2023 Swiss franc Bonds) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 0.41% | 0.41% | 0.41% | 0.41% |
Face amount | SFr |  | SFr 700,000,000 |  |  |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 767 |  |  |  | 791
Notes [Member] | 2.25% notes due 2023 (2.25% 2023 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.25% | 2.25% | 2.25% | 2.25% |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 750 |  |  |  | $ 750
Notes [Member] | 3.625% notes due 2024 (3.625% 2024 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 3.625% | 3.625% | 3.625% | 3.625% | 3.625%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,400 |  |  |  | $ 1,400
Notes [Member] | 1.90% notes due 2025 (1.90% 2025 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 1.90% | 1.90% | 1.90% | 1.90% | 1.90%
Face amount |  |  |  |  | $ 500
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 500 |  |  |  | $ 500
Notes [Member] | 3.125% notes due 2025 (3.125% 2025 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 3.125% | 3.125% | 3.125% | 3.125% | 3.125%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,000 |  |  |  | $ 1,000
Notes [Member] | 2.00% €750 million notes due 2026 (2.00% 2026 euro Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.00% | 2.00% | 2.00% | 2.00% |
Face amount | € |  |  | € 750,000,000 |  |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 853 |  |  |  | $ 916
Notes [Member] | 2.60% notes due 2026 (2.60% 2026 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.60% | 2.60% | 2.60% | 2.60% | 2.60%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,250 |  |  |  | $ 1,250
Notes [Member] | 5.50% £475 million notes due 2026 (5.50% 2026 pound sterling Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 5.50% | 5.50% | 5.50% | 5.50% |
Face amount | £ |  |  |  | £ 475,000,000 |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 643 |  |  |  | $ 649
Notes [Member] | 2.20% notes due 2027 (2.20% 2027 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.20% | 2.20% | 2.20% | 2.20% | 2.20%
Face amount |  |  |  |  | $ 1,750
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,750 |  |  |  | 1,750
Notes [Member] | 3.20% notes due 2027 (3.20% 2027 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 3.20% | 3.20% | 3.20% | 3.20% |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,000 |  |  |  | 1,000
Notes [Member] | 1.65% notes due in 2028 (1.65% 2028 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 1.65% | 1.65% | 1.65% | 1.65% |
Face amount | $ 1,250 |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,250 |  |  |  |
Notes [Member] | 4.00% £700 million notes due 2029 (4.00% 2029 pound sterling Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 4.00% | 4.00% | 4.00% | 4.00% |
Face amount | £ |  |  |  | £ 700,000,000 |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 947 |  |  |  | $ 957
Notes [Member] | 2.45% notes due 2030 (2.45% 2030 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.45% | 2.45% | 2.45% | 2.45% | 2.45%
Face amount |  |  |  |  | $ 1,250
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,250 |  |  |  | $ 1,250
Notes [Member] | 2.30% notes due 2031 (2.30% 2031 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.30% | 2.30% | 2.30% | 2.30% | 2.30%
Face amount |  |  |  |  | $ 1,250
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,250 |  |  |  | $ 1,250
Notes [Member] | 2.00% notes due 2032 (2.00% 2032 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.00% | 2.00% | 2.00% | 2.00% |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,250 |  |  |  |
Notes [Member] | 6.375% notes due 2037 (6.375% 2037 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 6.375% | 6.375% | 6.375% | 6.375% | 6.375%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 478 |  |  |  | $ 478
Notes [Member] | 6.90% notes due 2038 (6.90% 2038 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 6.90% | 6.90% | 6.90% | 6.90% | 6.90%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 254 |  |  |  | $ 254
Notes [Member] | 6.40% notes due 2039 (6.40% 2039 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 6.40% | 6.40% | 6.40% | 6.40% | 6.40%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 333 |  |  |  | $ 333
Notes [Member] | 3.15% notes due 2040 (3.15% 2040 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 3.15% | 3.15% | 3.15% | 3.15% | 3.15%
Face amount |  |  |  |  | $ 2,000
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 2,000 |  |  |  | $ 2,000
Notes [Member] | 5.75% notes due 2040 (5.75% 2040 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 5.75% | 5.75% | 5.75% | 5.75% | 5.75%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 373 |  |  |  | $ 373
Notes [Member] | 2.80% notes due 2041 (2.80% 2041 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.80% | 2.80% | 2.80% | 2.80% |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,150 |  |  |  |
Notes [Member] | 4.95% notes due 2041 (4.95% 2041 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 4.95% | 4.95% | 4.95% | 4.95% |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 600 |  |  |  | $ 600
Notes [Member] | 5.15% notes due 2041 (5.15% 2041 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 5.15% | 5.15% | 5.15% | 5.15% | 5.15%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 729 |  |  |  | $ 729
Notes [Member] | 5.65% notes due 2042 (5.65% 2042 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 5.65% | 5.65% | 5.65% | 5.65% | 5.65%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 415 |  |  |  | $ 415
Notes [Member] | 5.375% notes due 2043 (5.375% 2043 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 5.375% | 5.375% | 5.375% | 5.375% | 5.375%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 185 |  |  |  | $ 185
Notes [Member] | 4.40% notes due 2045 (4.40% 2045 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 4.40% | 4.40% | 4.40% | 4.40% |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 2,250 |  |  |  | 2,250
Notes [Member] | 4.563% notes due 2048 (4.563% 2048 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 4.563% | 4.563% | 4.563% | 4.563% |
Effective interest rate on note | 6.30% | 6.30% | 6.30% | 6.30% |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,415 |  |  |  | $ 1,415
Notes [Member] | 3.375% notes due 2050 (3.375% 2050 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 3.375% | 3.375% | 3.375% | 3.375% | 3.375%
Face amount |  |  |  |  | $ 2,250
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 2,250 |  |  |  | $ 2,250
Notes [Member] | 4.663% notes due 2051 (4.663% 2051 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 4.663% | 4.663% | 4.663% | 4.663% | 4.663%
Effective interest rate on note | 5.60% | 5.60% | 5.60% | 5.60% |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 3,541 |  |  |  | $ 3,541
Notes [Member] | 3.00% notes due 2052 (3.00% 2052 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 3.00% | 3.00% | 3.00% | 3.00% |
Face amount | $ 1,350 |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 1,350 |  |  |  |
Notes [Member] | 2.77% notes due 2053 (2.77% 2053 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 2.77% | 2.77% | 2.77% | 2.77% | 2.77%
Face amount |  |  |  |  | $ 940
Effective interest rate on note | 5.20% | 5.20% | 5.20% | 5.20% |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 940 |  |  |  | 940
Notes [Member] | Other notes due 2097 |  |  |  |  |
Carrying values of long-term borrowings |  |  |  |  |
Long-term debt, gross | $ 100 |  |  |  | $ 100
Notes [Member] | 4.10% notes due 2021 (4.10% 2021 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage |  |  |  |  | 4.10%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Notes [Member] | 2.125% notes due 2020 (2.125% 2020 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage |  |  |  |  | 2.125%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Notes [Member] | 3.45% notes due 2020 (3.45% 2020 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage |  |  |  |  | 3.45%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Notes [Member] | 1.85% notes due 2021 (1.85% 2021 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage |  |  |  |  | 1.85%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Notes [Member] | 4.50% notes due 2020 (4.50% 2020 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage |  |  |  |  | 4.50%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Notes [Member] | Floating Rate Notes Due 2020 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Notes [Member] | 2.20% notes due 2020 (2.20% 2020 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage |  |  |  |  | 2.20%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Notes [Member] | 3.875% notes due 2021 (3.875% 2021 Notes) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage |  |  |  |  | 3.875%
Percentage of principal amount of notes that may be paid upon occurrence of change in control triggering event | 101.00% |  |  |  |
Debt securities payable [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Redemption period without payment of make whole amount | 1 month |  |  |  |
Debt securities payable [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Redemption period without payment of make whole amount | 6 months |  |  |  |

X
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- Definition Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event + References No definition available. + Details
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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