v3.20.4

Debt - Schedule of Outstanding Debt (Details) - USD ($) | Dec. 31, 2020 | Sep. 28, 2020 | May 01, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 7,650,000,000 |  |  | $ 7,400,000,000
Unamortized discounts, premiums and debt issuance costs | (41,000,000) |  |  | (35,000,000)
Total debt, including unamortized discounts, premiums, debt issuance costs and fair value adjustments | 7,609,000,000 |  |  | 7,365,000,000
Current portion of long-term debt | 0 |  |  | 0
Long-term debt | 7,609,000,000 |  |  | 7,365,000,000
Unsecured Debt | Fixed-rate 4.125% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 0 |  |  | $ 1,350,000,000
Effective rate | 4.125% |  |  | 4.125%
Range of interest rates |  | 4.125% |  |
Unsecured Debt | Fixed-rate 4.625% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 0 |  |  | $ 400,000,000
Effective rate | 4.625% |  |  | 4.625%
Range of interest rates |  | 4.625% |  |
Unsecured Debt | Fixed-rate 3.875% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 1,000,000,000 |  |  | $ 1,000,000,000
Effective rate | 3.875% |  |  | 3.875%
Unsecured Debt | Fixed-rate 4.625% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 900,000,000 |  |  | $ 900,000,000
Effective rate | 4.625% |  |  | 4.625%
Unsecured Debt | Fixed-rate 4.875% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 1,000,000,000 |  |  | $ 1,000,000,000
Effective rate | 4.875% |  |  | 4.875%
Unsecured Debt | Fixed-rate 2.7% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 500,000,000 |  | $ 500,000,000 | $ 0
Effective rate | 2.70% |  |  | 0.00%
Range of interest rates |  |  | 2.70% |
Unsecured Debt | Fixed-rate 5.35% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 500,000,000 |  |  | $ 500,000,000
Effective rate | 5.35% |  |  | 5.35%
Unsecured Debt | Fixed-rate 3.875% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 750,000,000 |  |  | $ 750,000,000
Effective rate | 3.875% |  |  | 3.875%
Unsecured Debt | Fixed-rate 3.15% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 500,000,000 |  | $ 500,000,000 | $ 0
Effective rate | 3.15% |  |  | 0.00%
Range of interest rates |  |  | 3.15% |
Unsecured Debt | Fixed-rate 5.55% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 500,000,000 |  |  | $ 500,000,000
Effective rate | 5.55% |  |  | 5.55%
Unsecured Debt | Fixed-rate 4.3% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 1,000,000,000 |  |  | $ 1,000,000,000
Effective rate | 4.30% |  |  | 4.30%
Unsecured Debt | Fixed-rate 3.4% senior unsecured notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 1,000,000,000 |  | $ 1,000,000,000 | $ 0
Effective rate | 3.40% |  |  | 0.00%
Range of interest rates |  |  | 3.40% |
Revolving Credit Facility | Floating-rate revolving credit facility (RCF) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total principal | $ 0 |  |  | $ 0
Effective rate | 0.00% |  |  | 0.00%

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