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v3.20.2

Notes Payable and Long-Term Debt - Narrative (Details) - USD ($) | Jun. 19, 2020 | Jun. 30, 2020 | Apr. 29, 2020 | Mar. 13, 2020 | Mar. 12, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | --- | ---
Line of Credit Facility |  |  |  |  |  |
Short-term borrowings |  | $ 45,000,000 |  |  |  | $ 34,000,000
Short-term debt, weighted average interest rate, at point in time (in percent) |  | 2.60% |  |  |  | 2.50%
Debt weighted average interest rate (in percent) |  | 2.50% |  |  |  | 2.80%
Long-term debt |  | $ 3,014,000,000 |  |  |  | $ 1,926,000,000
Current borrowing capacity |  | 1,500,000,000 |  |  |  |
Letters of credit outstanding, amount |  | 28,000,000 |  |  |  | 28,000,000
Estimate of Fair Value Measurement |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |
Estimated fair value of senior unsecured notes |  | 3,145,000,000 |  |  |  | 2,025,000,000
Change in Measurement |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |
Estimated fair value of senior unsecured notes |  | 138,000,000 |  |  |  | 106,000,000
Revolving Credit Facility |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 1,500,000,000 | $ 1,200,000,000 |
Potential additional increase to credit facility |  |  |  | 1,000,000,000.0 |  |
Revolving Credit Facility | Plan |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 2,000,000,000.0 |  |
Senior Notes | 4.625% Senior notes due 09/15/20 ($250 million par value) |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |
Long-term debt | $ 250,000,000 | $ 250,000,000 |  |  |  | 251,000,000
Debt instrument stated interest rate (in percent) | 4.625% | 4.625% |  |  |  |
Debt instrument par value |  | $ 250,000,000 |  |  |  |
Senior Notes | 2.650% Senior notes due 07/01/27 ($1,100 million par value) |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |
Long-term debt |  | $ 1,087,000,000 |  |  |  | $ 0
Debt instrument stated interest rate (in percent) | 2.65% | 2.65% |  |  |  |
Debt instrument par value | $ 1,100,000,000 | $ 1,100,000,000 |  |  |  |
Redemption rate ( in percent) | 101.00% |  |  |  |  |
Term loan | Delay Draw Term Loan |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |
Debt instrument par value |  |  | $ 750,000,000 |  |  |

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