Commitments and Contingencies (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2019 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Future Minimum Payments for Purchase Commitments | Future minimum payments for purchase commitments as of December 31, 2019 are summarized below (in millions):
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