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INCOME TAX 4 (Details) | Dec. 31, 2020 USD ($)
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Operating Loss Carryforwards [Line Items] |
Operating Loss Carryforwards | $ 3,252,000,000
Tax Credit Carryforward, Amount | 224,000,000
U.S. Federal | 2040 [Member] |
Operating Loss Carryforwards [Line Items] |
Operating Loss Carryforwards | 24,000,000
Tax Credit Carryforward, Amount | 92,000,000
Foreign Tax Authority [Member] | Indefinite [Member] |
Operating Loss Carryforwards [Line Items] |
Operating Loss Carryforwards | 2,532,000,000
Tax Credit Carryforward, Amount | 0
Foreign Tax Authority [Member] | 2040 [Member] |
Operating Loss Carryforwards [Line Items] |
Operating Loss Carryforwards | 314,000,000
Tax Credit Carryforward, Amount | 111,000,000
U.S. State | 2040 [Member] |
Operating Loss Carryforwards [Line Items] |
Operating Loss Carryforwards | 382,000,000
Tax Credit Carryforward, Amount | $ 21,000,000

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