FAIR VALUE MEASUREMENTS OF ASSETS AND LIABILITIES - Measured on a Recurring Basis (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021 |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | $ 16,194 | $ 15,028 |
Total financial liabilities | 7,536 | 6,995 |
Derivatives | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial liabilities | 169 | 66 |
Cash equivalents | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 1,704 | 2,175 |
Investment in equity instruments | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 17 | 17 |
Derivatives | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 89 | 26 |
Marketable securities | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 788 | |
Level 1 | Derivatives | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial liabilities | 0 | 0 |
Level 1 | Cash equivalents | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 1,679 | 2,150 |
Level 1 | Investment in equity instruments | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 0 | 1 |
Level 1 | Derivatives | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 0 | 0 |
Level 1 | Marketable securities | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 788 | |
Level 2 | Derivatives | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial liabilities | 169 | 66 |
Level 2 | Cash equivalents | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 25 | 25 |
Level 2 | Investment in equity instruments | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 0 | 0 |
Level 2 | Derivatives | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 89 | 26 |
Level 2 | Marketable securities | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 0 | |
Level 3 | Derivatives | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial liabilities | 0 | 0 |
Level 3 | Cash equivalents | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 0 | 0 |
Level 3 | Investment in equity instruments | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 17 | 16 |
Level 3 | Derivatives | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | 0 | $ 0 |
Level 3 | Marketable securities | | |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] | | |
Total financial assets | $ 0 | |