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v3.20.4

Subsequent events (Details) - USD ($) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 28, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Jan. 31, 2021
Subsequent Event [Line Items] |  |  |  |  |
Redemption of debt |  | $ 11,560,015,000 | $ 6,504,830,000 | $ 4,360,520,000 |
Subsequent Event | Senior Notes due 2026 | Senior Notes |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Aggregate principal amount |  |  |  |  | $ 1,000,000,000.0
Stated interest rate |  |  |  |  | 1.75%
Subsequent Event | Senior Notes due 2021 | Senior Notes |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Stated interest rate | 4.50% |  |  |  |
Redemption of debt | $ 544,000,000.0 |  |  |  |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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