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v3.20.2

Fair Value (Nonrecurring Measurements) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Apr. 12, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Other Asset Impairment Charges |  | $ 0 |  |  |  | $ 116,000,000 | $ 6,000,000 |  | $ 116,000,000 |
Kilroot and Ballylumford [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  |  |  |  | $ 114,000,000 |  |  | 114,000,000 |
Long Lived Assets Held And Used [Member] | Kilroot and Ballylumford [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Other Asset Impairment Charges | [1] |  |  |  |  |  |  |  | $ 115,000,000 |
Long Lived Assets Held And Used [Member] | OPGC [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Other Asset Impairment Charges |  |  |  | $ 43,000,000 |  |  | 158,000,000 |  |  |
Long Lived Assets Held And Used [Member] | Fair Value [Member] | Kilroot and Ballylumford [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | [2] |  |  |  |  |  |  |  |  | $ 232,000,000
Long Lived Assets Held And Used [Member] | Fair Value [Member] | Kilroot and Ballylumford [Member] | Level 1 [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  |  |  |  |  |  |  |  | 0
Long Lived Assets Held And Used [Member] | Fair Value [Member] | Kilroot and Ballylumford [Member] | Level 2 [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  |  |  |  |  |  |  |  | 118,000,000
Long Lived Assets Held And Used [Member] | Fair Value [Member] | Kilroot and Ballylumford [Member] | Level 3 [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  |  |  |  |  |  |  |  | $ 0
Long Lived Assets Held And Used [Member] | Fair Value [Member] | OPGC [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring | [2] | 272,000,000 | [3] | 195,000,000 | [4] |  | 272,000,000 | [3] |  |
Cumulative Translation Adjustment, Net of Tax, Period Increase (Decrease) |  |  |  | 115,000,000 |  |  | 114,000,000 |  |  |
Long Lived Assets Held And Used [Member] | Fair Value [Member] | OPGC [Member] | Level 1 [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | 0 |  | 0 |  |  | 0 |  |  |
Long Lived Assets Held And Used [Member] | Fair Value [Member] | OPGC [Member] | Level 2 [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | 104,000,000 |  | 0 |  |  | 104,000,000 |  |  |
Long Lived Assets Held And Used [Member] | Fair Value [Member] | OPGC [Member] | Level 3 [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | 0 |  | $ 152,000,000 |  |  | $ 0 |  |  |
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Long Lived Assets Held And Used [Member] | Weighted Average [Member] | OPGC [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  |  |  |  | 2.00% |  |  |
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Long Lived Assets Held And Used [Member] | Maximum [Member] | OPGC [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  |  |  |  | 40.00% |  |  |
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Long Lived Assets Held And Used [Member] | Minimum [Member] | OPGC [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  |  |  |  | (25.00%) |  |  |
Measurement Input, Discount Rate [Member] | Long Lived Assets Held And Used [Member] | Valuation, Income Approach [Member] | Weighted Average [Member] | OPGC [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  | $ 0.12 |  |  |  |  | $ 0.12 |  |  |
Interest Rate Contract [Member] | Measurement Input, Entity Credit Risk [Member] | Weighted Average [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  |  |  |  | 5.20% |  |  |
Interest Rate Contract [Member] | Measurement Input, Entity Credit Risk [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  |  |  |  | 5.70% |  |  |
Interest Rate Contract [Member] | Measurement Input, Entity Credit Risk [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |  |
Fair Value Measurement Inputs, Nonrecurring |  |  |  |  |  |  | 1.80% |  |  |
[1] | Per the Company’s policy, pre-tax loss is limited to the impairment of long-lived assets. Any additional losses are recognized on completion of the sale. See Note 18—Held-for-Sale and Dispositions for further information.
[2] | (1) Represents the carrying values at the dates of measurement, before fair value adjustment.
[3] | Includes $114 million of cumulative translation adjustment (debit balance) in the carrying value. Pre-tax loss is limited to the carrying value of the equity method investment excluding CTA.
[4] | Excludes $115 million of cumulative translation adjustment (debit balance) in the carrying value.

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