XML 54 R41.htm IDEA: XBRL DOCUMENT v3.20.2
Assets and Liabilities Measured at Fair Value - Schedule of Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Assets, Fair Value Disclosure $ 469 $ 462
Less amounts classified as current assets (105) (147)
Investments of insurance subsidiaries, noncurrent 364 315
Interest Rate Swaps [Member]    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Derivative Asset   3
Derivative Liability 64 7
Money Market Funds and Other [Member]    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Assets, Fair Value Disclosure 59 85
Debt Securities [Member]    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Debt Securities, Available-for-sale Securities 410 377
Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) [Member]    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Assets, Fair Value Disclosure 59 85
Less amounts classified as current assets (58) (83)
Investments of insurance subsidiaries, noncurrent 1 2
Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) [Member] | Money Market Funds and Other [Member]    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Assets, Fair Value Disclosure 59 85
Significant Other Observable Inputs (Level 2) [Member]    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Assets, Fair Value Disclosure 410 377
Less amounts classified as current assets (47) (64)
Investments of insurance subsidiaries, noncurrent 363 313
Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Swaps [Member]    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Derivative Asset   3
Derivative Liability 64 7
Significant Other Observable Inputs (Level 2) [Member] | Debt Securities [Member]    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Debt Securities, Available-for-sale Securities $ 410 $ 377