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Indebtedness (Details Textual) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 28, 2020 | Dec. 31, 2019 | Dec. 31, 2015 | Dec. 31, 2018
Debt Instrument |  |  |  |
Costs associated with the Senior Notes offerings |  |  | $ 47,500,000 |
Redemptions percentage of 2015 notes |  | 100.00% |  |
Redemption percentage for change in control provision on the 2015 Senior Notes |  | 101.00% |  |
Senior unsecured revolving credit facility maximum borrowing capacity |  |  | $ 1,000,000,000.0 |
Term of credit facility |  |  | five |
Amount outstanding under the credit facility |  | $ 0 |  |
2.90% Senior Notes due 2020 |  |  |  |
Debt Instrument |  |  |  |
Senior Notes aggregate principal amount |  |  | $ 1,500,000,000 |
Interest rate on senior notes |  | 2.90% | 2.90% |
Redemption percentage par value of senior notes |  |  | 99.792% |
3.625% Senior Notes due 2022 |  |  |  |
Debt Instrument |  |  |  |
Senior Notes aggregate principal amount |  |  | $ 1,000,000,000.0 |
Interest rate on senior notes |  | 3.625% | 3.625% |
Redemption percentage par value of senior notes |  |  | 99.92% |
4.05% Senior Notes due 2025 |  |  |  |
Debt Instrument |  |  |  |
Senior Notes aggregate principal amount |  |  | $ 1,750,000,000 |
Interest rate on senior notes |  | 4.05% | 4.05% |
Redemption percentage par value of senior notes |  |  | 99.764% |
5.20% Senior Notes due 2045 |  |  |  |
Debt Instrument |  |  |  |
Senior Notes aggregate principal amount |  |  | $ 1,750,000,000 |
Interest rate on senior notes |  | 5.20% | 5.20% |
Redemption percentage par value of senior notes |  |  | 99.294% |
Interest rate swap | 2.90% Senior Notes due 2020 |  |  |  |
Debt Instrument |  |  |  |
Interest rate swap, liability, fair value |  | $ 2,300,000 |  | $ 14,500,000
Subsequent Event |  |  |  |
Debt Instrument |  |  |  |
Senior unsecured revolving credit facility maximum borrowing capacity | $ 1,000,000,000.0 |  |  |
Term of credit facility | five |  |  |

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