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DEFERRED INCOME TAXES - Source of Changes in Deferred Tax Balances and Income Tax Related Contingent Liabilities (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Source of Changes in Deferred Tax Balances |  |  |
Increase (decrease) in deferred tax liability (asset) | $ (80) | $ (1,879) |
Income from continuing operations before income taxes | (151) | (1,073) |
Increase (Decrease) Through Acquisition of Ownership Interest | 0 | (799) |
Increase (decrease) in income tax payable | 65 | (16) |
Tax impact of amounts recognized within accumulated OCI | (6) | (3) |
Increase (decrease) in other tax payable | 12 | 0 |
Net additions based on uncertain tax positions related to prior years | 39 | 21 |
Reductions for tax positions of prior years | (100) | 0 |
Income Tax Related Contingent Liabilities |  |  |
Source of Changes in Deferred Tax Balances |  |  |
Estimated financial effect of contingent liabilities | 266 | 327 | $ 306
KalgoorlieMember [Member] |  |  |
Source of Changes in Deferred Tax Balances |  |  |
Disposition | 0 | 12 |
Property, plant and equipment |  |  |
Source of Changes in Deferred Tax Balances |  |  |
Increase (decrease) in deferred tax liability (asset) | (112) | (1,851) |
Environmental rehabilitation |  |  |
Source of Changes in Deferred Tax Balances |  |  |
Increase (decrease) in deferred tax liability (asset) | 29 | 37 |
Tax loss carry forwards |  |  |
Source of Changes in Deferred Tax Balances |  |  |
Increase (decrease) in deferred tax liability (asset) | (54) | (27) |
AMT Credits [Member] |  |  |
Source of Changes in Deferred Tax Balances |  |  |
Increase (decrease) in deferred tax liability (asset) | (14) | (10) |
Inventory |  |  |
Source of Changes in Deferred Tax Balances |  |  |
Increase (decrease) in deferred tax liability (asset) | 81 | (42) |
Other |  |  |
Source of Changes in Deferred Tax Balances |  |  |
Increase (decrease) in deferred tax liability (asset) | $ (10) | $ 14 |

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