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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of minimum required payments for unconditional purchase obligations

The minimum required payments for unconditional purchase obligations are as follows:

Year Ended December 31,									Unconditional Purchase Obligations
(in millions)
2021									$	127
2022									83
2023									81
2024									77
2025									73
Thereafter									325
									$	766

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- References

No definition available.

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- Definition

Tabular disclosure of unconditional purchase obligation not recognized as liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308

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