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Financing arrangements (Principal Amounts and Carrying Value of Long-term Borrowings) (Details) $ in Millions | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2020 EUR (€) | Jun. 30, 2020 CHF (SFr) | Jun. 30, 2020 GBP (£) | Jun. 30, 2020 USD ($) | May 31, 2020 USD ($) | Mar. 31, 2020 | Feb. 29, 2020 USD ($) | Dec. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Unamortized bond discounts, premiums and issuance costs, net |  |  |  | $ (849) |  |  |  | $ (868)
Fair value adjustments |  |  |  | 678 |  |  |  | 296
Other |  |  |  | 3 |  |  |  | 0
Total carrying value of debt |  |  |  | 34,224 |  |  |  | 29,903
Less current portion |  |  |  | (91) |  |  |  | (2,953)
Total long-term debt |  |  |  | $ 34,133 |  |  |  | 26,950
Notes [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Face amount |  |  |  |  | $ 4,000 |  | $ 5,000 |
Notes [Member] | 4.50% notes due 2020 (4.50% 2020 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 4.50% | 4.50% | 4.50% | 4.50% |  |  | 4.50% |
Long-term debt, gross |  |  |  |  |  |  |  | 300
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) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.125% | 2.125% | 2.125% | 2.125% |  |  | 2.125% |
Long-term debt, gross |  |  |  | $ 0 |  |  |  | 750
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 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  | $ 0 |  |  |  | 300
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) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.20% | 2.20% | 2.20% | 2.20% |  |  | 2.20% |
Long-term debt, gross |  |  |  | $ 0 |  |  |  | 700
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) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 3.45% | 3.45% | 3.45% | 3.45% |  |  | 3.45% |
Long-term debt, gross |  |  |  |  |  |  |  | 900
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  |  | 4.10% |
Long-term debt, gross |  |  |  |  |  |  |  | 1,000
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) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 1.85% | 1.85% | 1.85% | 1.85% |  |  | 1.85% |
Long-term debt, gross |  |  |  | $ 0 |  |  |  | 750
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) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 3.875% | 3.875% | 3.875% | 3.875% |  |  | 3.875% |
Long-term debt, gross |  |  |  | $ 1,450 |  |  |  | 1,750
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 1.25% €1,250 million 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% |  |  |  |
Long-term debt, gross |  |  |  | $ 1,404 |  |  |  | 1,402
Face amount | € | € 1,250,000,000 |  |  |  |  |  |  |
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 2.70% notes due 2022 (2.70% 2022 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.70% | 2.70% | 2.70% | 2.70% |  |  |  |
Long-term debt, gross |  |  |  | $ 500 |  |  |  | 500
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 2.65% notes due 2022 (2.65% 2022 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.65% | 2.65% | 2.65% | 2.65% |  |  |  |
Long-term debt, gross |  |  |  | $ 1,500 |  |  |  | 1,500
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  | 3.625% |  |
Long-term debt, gross |  |  |  | $ 750 |  |  |  | 750
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 0.41% CHF700 million bonds due 2023 (0.41% 2023 Swiss franc Bonds) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 0.41% | 0.41% | 0.41% | 0.41% |  |  |  |
Long-term debt, gross |  |  |  | $ 739 |  |  |  | 725
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% |  |  |  |  |  |  |
Notes [Member] | 2.25% notes due 2023 (2.25% 2023 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.25% | 2.25% | 2.25% | 2.25% |  |  |  |
Long-term debt, gross |  |  |  | $ 750 |  |  |  | 750
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  | 3.625% |  |
Long-term debt, gross |  |  |  | $ 1,400 |  |  |  | 1,400
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 1.90% notes due 2025 (1.90% 2025 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 1.90% | 1.90% | 1.90% | 1.90% |  |  | 1.90% |
Long-term debt, gross |  |  |  | $ 500 |  |  |  |
Face amount |  |  |  |  |  |  | $ 500 |
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  | 3.125% |  |
Long-term debt, gross |  |  |  | $ 1,000 |  |  |  | 1,000
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 2.00% €750 million notes due 2026 (2.00% 2026 euro Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.00% | 2.00% | 2.00% | 2.00% |  |  |  |
Long-term debt, gross |  |  |  | $ 843 |  |  |  | 841
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% |  |  |  |  |  |  |
Notes [Member] | 2.60% notes due 2026 (2.60% 2026 notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.60% | 2.60% | 2.60% | 2.60% |  | 2.60% |  |
Long-term debt, gross |  |  |  | $ 1,250 |  |  |  | 1,250
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 5.50% £475 million notes due 2026 (5.50% 2026 pound sterling Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 5.50% | 5.50% | 5.50% | 5.50% |  |  |  |
Long-term debt, gross |  |  |  | $ 589 |  |  |  | 630
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% |  |  |  |  |  |  |
Notes [Member] | 2.20% notes due 2027 (2.20% 2027 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.20% | 2.20% | 2.20% | 2.20% | 2.20% |  | 2.20% |
Long-term debt, gross |  |  |  | $ 1,750 |  |  |  |
Face amount |  |  |  |  | $ 1,000 |  | $ 750 |
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 3.20% notes due 2027 (3.20% 2027 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 3.20% | 3.20% | 3.20% | 3.20% |  |  |  |
Long-term debt, gross |  |  |  | $ 1,000 |  |  |  | 1,000
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 4.00% £700 million notes due 2029 (4.00% 2029 pound sterling Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 4.00% | 4.00% | 4.00% | 4.00% |  |  |  |
Long-term debt, gross |  |  |  | $ 868 |  |  |  | 928
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% |  |  |  |  |  |  |
Notes [Member] | 2.45% notes due 2030 (2.45% 2030 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.45% | 2.45% | 2.45% | 2.45% |  |  | 2.45% |
Long-term debt, gross |  |  |  | $ 1,250 |  |  |  |
Face amount |  |  |  |  |  |  | $ 1,250 |
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 2.30% notes due 2031 (2.30% 2031 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 2.30% | 2.30% | 2.30% | 2.30% | 2.30% |  |  |
Long-term debt, gross |  |  |  | $ 1,250 |  |  |  |
Face amount |  |  |  |  | $ 1,250 |  |  |
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  |  |  |
Long-term debt, gross |  |  |  | $ 552 |  |  |  | 552
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  |  |  |
Long-term debt, gross |  |  |  | $ 291 |  |  |  | 291
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  |  |  |
Long-term debt, gross |  |  |  | $ 466 |  |  |  | 466
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 3.15% notes due 2040 (3.15% 2040 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 3.15% | 3.15% | 3.15% | 3.15% | 3.15% |  | 3.15% |
Long-term debt, gross |  |  |  | $ 2,000 |  |  |  |
Face amount |  |  |  |  | $ 750 |  | $ 1,250 |
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  |  |  |
Long-term debt, gross |  |  |  | $ 412 |  |  |  | 412
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 4.95% notes due 2041 (4.95% 2041 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 4.95% | 4.95% | 4.95% | 4.95% |  |  |  |
Long-term debt, gross |  |  |  | $ 600 |  |  |  | 600
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  |  |  |
Long-term debt, gross |  |  |  | $ 974 |  |  |  | 974
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  |  |  |
Long-term debt, gross |  |  |  | $ 487 |  |  |  | 487
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  |  |  |
Long-term debt, gross |  |  |  | $ 261 |  |  |  | 261
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 4.40% notes due 2045 (4.40% 2045 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 4.40% | 4.40% | 4.40% | 4.40% |  |  |  |
Long-term debt, gross |  |  |  | $ 2,250 |  |  |  | 2,250
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 4.563% notes due 2048 (4.563% 2048 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 4.563% | 4.563% | 4.563% | 4.563% |  |  |  |
Long-term debt, gross |  |  |  | $ 1,415 |  |  |  | 1,415
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | 3.375% notes due 2050 (3.375% 2050 Notes) [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Interest rate, stated percentage | 3.375% | 3.375% | 3.375% | 3.375% | 3.375% |  | 3.375% |
Long-term debt, gross |  |  |  | $ 2,250 |  |  |  |
Face amount |  |  |  |  | $ 1,000 |  | $ 1,250 |
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
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% |  | 4.663% |  |
Long-term debt, gross |  |  |  | $ 3,541 |  |  |  | 3,541
Percentage of Principal Amount of Notes that may be Paid Upon Occurrence of Change in Control Triggering Event | 101.00% |  |  |  |  |  |  |
Notes [Member] | Other notes due 2097 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt, gross |  |  |  | $ 100 |  |  |  | $ 100

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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=109500613&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=119400593&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=6877327&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=6876686&loc=d3e534808-122878 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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