RETIREMENT BENEFIT PLANS - Estimated future payments (Details) $ in Millions	Dec. 31, 2020 USD ($)
Other postretirement employee benefits
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2021	$ 8
2022	8
2023	7
2024	6
2025	5
2026-2030	19
United States \| Pension benefits
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2021	19
2022	14
2023	14
2024	13
2025	13
2026-2030	59
Non-U.S. \| Pension benefits
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2021	70
2022	79
2023	74
2024	76
2025	82
2026-2030	$ 465

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- Definition

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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