v3.20.4

Debt - 2020 Financing Activities (Details) - USD ($) | Dec. 31, 2020 | Sep. 28, 2020 | May 01, 2020 | Dec. 31, 2019 | Nov. 30, 2014
--- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, principal amount | $ 7,650,000,000 |  |  | $ 7,400,000,000 |
Unsecured Debt | Fixed-rate 2.7% senior unsecured notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, principal amount | 500,000,000 |  | $ 500,000,000 | 0 |
Range of interest rates |  |  | 2.70% |  |
Unsecured Debt | Fixed-rate 3.15% senior unsecured notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, principal amount | 500,000,000 |  | $ 500,000,000 | 0 |
Range of interest rates |  |  | 3.15% |  |
Unsecured Debt | Fixed-rate 3.4% senior unsecured notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, principal amount | 1,000,000,000 |  | $ 1,000,000,000 | 0 |
Range of interest rates |  |  | 3.40% |  |
Unsecured Debt | Fixed-rate 4.125% senior unsecured notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, principal amount | 0 |  |  | 1,350,000,000 |
Range of interest rates |  | 4.125% |  |  |
Debt redeemed |  | $ 1,350,000,000 |  |  |
Unsecured Debt | Fixed-rate 4.625% senior unsecured notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, principal amount | $ 0 |  |  | $ 400,000,000 |
Range of interest rates |  | 4.625% |  |  |
Debt redeemed |  | $ 400,000,000 |  |  |
Two Thousand Nineteen Cash Convertible Senior Notes [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, principal amount |  |  |  |  | $ 1,150,000,000

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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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