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RETIREMENT BENEFITS PLANS - Defined Contribution Plans (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Retirement Benefits [Abstract] |  |  |
Employer contributions to defined contribution plans | $ 171 | $ 111 | $ 130

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- Definition Defined Contribution Plans, Employer Contributions - Amounts charged to expense + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Period Type: | duration