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SHORT-TERM AND LONG-TERM DEBT - Composition of long term debt (Details) | Jun. 30, 2022 USD ($) | Jun. 30, 2022 EUR (€) | Dec. 31, 2021 USD ($)
--- | --- | --- | ---
Disclosure of detailed information about borrowings [line items] |  |  |
Less current portion of long-term debt | $ (1,373,000,000) |  | $ (836,000,000)
Total non-current portion of non-current borrowings | 6,069,000,000 |  | 6,488,000,000
Total |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | 6,734,000,000 |  | 6,633,000,000
Total Corporate |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | 6,483,000,000 |  | 6,356,000,000
5.5 billion Revolving Credit Facility |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | 5,500,000,000 |  |
Borrowings outstanding | 0 |  | 0
€750 million Unsecured Notes |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | € |  | € 750,000,000 |
Borrowings outstanding | $ 0 |  | 551,000,000
€750 million Unsecured Notes | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 3.13% | 3.13% |
€500 million Unsecured Notes |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | € |  | € 500,000,000 |
Borrowings outstanding | $ 381,000,000 |  | 415,000,000
€500 million Unsecured Notes | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 0.95% | 0.95% |
€750 million Unsecured Notes |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | € |  | € 750,000,000 |
Borrowings outstanding | $ 778,000,000 |  | 848,000,000
€750 million Unsecured Notes | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 1.00% | 1.00% |
€1 billion Unsecured Notes |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | € |  | € 1,000,000,000 |
Borrowings outstanding | $ 553,000,000 |  | 604,000,000
€1 billion Unsecured Notes | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 2.25% | 2.25% |
750 Unsecured Notes |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | $ 750,000,000 |  |
Borrowings outstanding | $ 289,000,000 |  | 289,000,000
750 Unsecured Notes | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 3.60% | 3.60% |
500 Unsecured Notes |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | $ 500,000,000 |  |
Borrowings outstanding | $ 183,000,000 |  | 183,000,000
500 Unsecured Notes | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 6.13% | 6.13% |
€750 million Unsecured Notes |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | € |  | € 750,000,000 |
Borrowings outstanding | $ 775,000,000 |  | 844,000,000
€750 million Unsecured Notes | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 1.75% | 1.75% |
750 Unsecured Notes |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | $ 750,000,000 |  |
Borrowings outstanding | $ 399,000,000 |  | 399,000,000
750 Unsecured Notes | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 4.55% | 4.55% |
500 Unsecured Notes |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | $ 500,000,000 |  |
Borrowings outstanding | $ 495,000,000 |  | 494,000,000
500 Unsecured Notes | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 4.25% | 4.25% |
1.5 billion Unsecured Bonds |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | $ 1,500,000,000 |  |
Borrowings outstanding | $ 671,000,000 |  | 671,000,000
1.5 billion Unsecured Bonds | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 7.00% | 7.00% |
1 billion Unsecured Notes |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Notional amount | $ 1,000,000,000 |  |
Borrowings outstanding | $ 428,000,000 |  | 428,000,000
1 billion Unsecured Notes | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 6.75% | 6.75% |
EIB loan, due 2032 |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | $ 291,000,000 |  | 0
EIB loan, due 2032 | Floating |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 1.56% | 1.56% |
EIB loan, due 2025 |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | $ 167,000,000 | € 160,000,000 | 215,000,000
EIB loan, due 2025 | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 1.16% | 1.16% |
Schuldschein loans |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | $ 753,000,000 |  | 0
Schuldschein loans | Fixed/Floating | Bottom of range |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 1.50% | 1.50% |
Schuldschein loans | Fixed/Floating | Top of range |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 3.00% | 3.00% |
Other loans |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | $ 73,000,000 |  | 142,000,000
Other loans | Fixed |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 3.10% | 3.10% |
Other loans |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | $ 247,000,000 |  | 273,000,000
Other loans | Floating | Bottom of range |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 0.60% | 0.60% |
Other loans | Floating | Top of range |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 2.30% | 2.30% |
Total long-term debt (excluding lease obligations) |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total non-current portion of non-current borrowings | $ 5,361,000,000 |  | 5,797,000,000
Long term lease obligations |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Less current portion of long-term debt | (163,000,000) |  | (189,000,000)
Total non-current portion of non-current borrowings | 708,000,000 |  | 691,000,000
Americas |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | 65,000,000 |  | 72,000,000
Americas | Other loans |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | $ 65,000,000 |  | 72,000,000
Americas | Other loans | Fixed/Floating | Bottom of range |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 0.00% | 0.00% |
Americas | Other loans | Fixed/Floating | Top of range |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 10.70% | 10.70% |
Europe, Asia & Africa |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | $ 186,000,000 |  | 205,000,000
Europe, Asia & Africa | EBRD Facility |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | $ 59,000,000 |  | 82,000,000
Europe, Asia & Africa | EBRD Facility | Floating | Bottom of range |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 4.20% | 4.20% |
Europe, Asia & Africa | EBRD Facility | Floating | Top of range |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 4.50% | 4.50% |
Europe, Asia & Africa | Other loans |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Borrowings outstanding | $ 127,000,000 |  | $ 123,000,000
Europe, Asia & Africa | Other loans | Fixed/Floating | Bottom of range |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 0.00% | 0.00% |
Europe, Asia & Africa | Other loans | Fixed/Floating | Top of range |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Interest rate | 5.60% | 5.60% |

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