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v3.20.1

Label | Element | Value
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Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 |  |
Revenue, Remaining Performance Obligation, Amount | us-gaap_RevenueRemainingPerformanceObligation | $ 607,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 |  |
Revenue, Remaining Performance Obligation, Amount | us-gaap_RevenueRemainingPerformanceObligation | 305,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 |  |
Revenue, Remaining Performance Obligation, Amount | us-gaap_RevenueRemainingPerformanceObligation | 42,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01 |  |
Revenue, Remaining Performance Obligation, Amount | us-gaap_RevenueRemainingPerformanceObligation | 8,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01 |  |
Revenue, Remaining Performance Obligation, Amount | us-gaap_RevenueRemainingPerformanceObligation | $ 442,000,000

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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045 + Details
Name: | us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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