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PENSION AND OTHER POSTRETIREMENT BENEFITS (Details 1) -Obligations, Assets and Funded Status $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) country | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Amounts recognized in consolidated balance sheets |  |  |
Pension assets | $ 1,488 | $ 1,042 |
Liability, Defined Benefit Pension Plan, Noncurrent | (604) | (630) |
Other Pension Plan |  |  |
Change in plan assets |  |  |
Employer contributions | $ 13 | 16 |
Less Significant Defined Benefit or Other Postretirement Plans Applicable to Number of Countries | country | 14 |  |
Maximum Percentage of Defined Benefit Plans Assets Included in Other Liabilities and Deferred Revenue | 4.00% |  |
Maximum Percentage of Defined Benefit Plans, Obligations Included in Other Liabilities and Deferred Revenue | 5.00% |  |
Other Postretirement Benefit Plan |  |  |
Change in benefit obligation |  |  |
Benefit obligation at the beginning of the year | $ 219 | 227 |
Interest cost | 5 | 7 | $ 10
Plan participants' contributions | 14 | 9 |
Actuarial (gain) loss | (8) | 14 |
Benefits paid directly by employer or from fund | (38) | (38) |
Benefit obligation at the end of the year | $ 192 | $ 219 | 227
Change in plan assets |  |  |
Less Significant Defined Benefit or Other Postretirement Plans Applicable to Number of Countries | country | 4 |  |
Maximum Percentage of Defined Benefit Plans, Obligations Included in Other Liabilities and Deferred Revenue | 8.00% | 9.00% |
Funded status |  |  |
Funded status at end of year | $ (192) | $ (219) |
Amounts recognized in consolidated balance sheets |  |  |
Accrued compensation, benefits and retirement costs | (19) | (20) |
Liability, Other Postretirement Defined Benefit Plan, Noncurrent | (173) | (199) |
Net amount recognized | (192) | (219) |
Amounts recognized in accumulated other comprehensive loss consist of: |  |  |
Net actuarial loss (gain) | (18) | (10) |
Prior service cost (credit) | (4) | (4) |
Net amount recognized | (22) | (14) |
UNITED KINGDOM |  |  |
Change in benefit obligation |  |  |
Benefit obligation at the beginning of the year | 2,050 | 1,851 |
Service cost | 33 | 29 | 26
Interest cost | 30 | 36 | 43
Actuarial (gain) loss | (136) | 136 |
Benefits paid directly by employer or from fund | (63) | (72) |
Exchange rate changes | (27) | 70 |
Benefit obligation at the end of the year | 1,887 | 2,050 | 1,851
Change in plan assets |  |  |
Fair value of plan assets at the beginning of the year | 2,337 | 2,010 |
Actual return on plan assets | 118 | 268 |
Employer contributions | 30 | 48 |
Benefits paid from Fund | (63) | (72) |
Exchange rate changes | (32) | 83 |
Fair value of plan assets at the end of the year | 2,390 | 2,337 | 2,010
Funded status |  |  |
Funded status at end of year | 503 | 287 |
Amounts recognized in consolidated balance sheets |  |  |
Pension assets | 503 | 287 |
Accrued compensation, benefits and retirement costs | 0 | 0 |
Liability, Defined Benefit Pension Plan, Noncurrent | 0 | 0 |
Net amount recognized | 503 | 287 |
Amounts recognized in accumulated other comprehensive loss consist of: |  |  |
Net actuarial loss (gain) | 61 | 250 |
Prior service cost (credit) | 11 | 19 |
Net amount recognized | 72 | 269 |
UNITED STATES |  |  |
Change in benefit obligation |  |  |
Benefit obligation at the beginning of the year | 3,122 | 2,916 |
Service cost | 139 | 133 | 116
Interest cost | 79 | 95 | 108
Actuarial (gain) loss | (132) | 224 |
Benefits paid directly by employer or from fund | (178) | (224) |
Benefit obligation at the end of the year | 3,012 | 3,122 | 2,916
Change in plan assets |  |  |
Fair value of plan assets at the beginning of the year | 3,429 | 3,357 |
Actual return on plan assets | 267 | 274 |
Employer contributions | 30 | 22 |
Benefits paid from Fund | (178) | (224) |
Exchange rate changes | 0 | 0 |
Fair value of plan assets at the end of the year | 3,548 | 3,429 | $ 3,357
Funded status |  |  |
Funded status at end of year | 536 | 307 |
Amounts recognized in consolidated balance sheets |  |  |
Pension assets | 985 | 755 |
Accrued compensation, benefits and retirement costs | (18) | (17) |
Liability, Defined Benefit Pension Plan, Noncurrent | (431) | (431) |
Net amount recognized | 536 | 307 |
Amounts recognized in accumulated other comprehensive loss consist of: |  |  |
Net actuarial loss (gain) | 467 | 714 |
Prior service cost (credit) | 6 | 6 |
Net amount recognized | 473 | 720 |
UNITED STATES | Nonqualified Plan |  |  |
Change in benefit obligation |  |  |
Benefits paid directly by employer or from fund | $ (18) | $ (22) |

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- Definition Amount of cost recognized for passage of time related to defined benefit plan. + 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 (h)(2) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 + Details
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- Definition Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + 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 (b)(5) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan. + 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 (b)(2) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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