Label	Element	Value
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Contract with Customer, Liability	us-gaap_ContractWithCustomerLiability	$ 126,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01
Contract with Customer, Liability	us-gaap_ContractWithCustomerLiability	70,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Contract with Customer, Liability	us-gaap_ContractWithCustomerLiability	103,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Contract with Customer, Liability	us-gaap_ContractWithCustomerLiability	167,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)
Contract with Customer, Liability	us-gaap_ContractWithCustomerLiability	1,269,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Contract with Customer, Liability	us-gaap_ContractWithCustomerLiability	691,000,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Contract with Customer, Liability	us-gaap_ContractWithCustomerLiability	$ 112,000,000