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EMPLOYEE BENEFIT PLANS _ Change in Projected Benefit Obligations and Change in Plan Assets (Details) - CNY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Change in Projected Benefit Obligation |  |
Begin of the year | ¥ 193 | ¥ 147
Current service cost | 5 | 5
Interest cost | 0 | 1
Contributions by plan participants | 1 | 1
Actuarial loss (gain) | (14) | 38
Foreign currency translation | (19) | 3
Benefits paid | (9) | (7)
Settlements |  | (1)
Administrative Expenses, Taxes and Premiums Paid | 0 | 0
Curtailments |  | (1)
Acquisitions | 0 |
Effect of other economic events |  | 7
End of the year | 157 | 193
Change in Plan Assets |  |
Begin of the year | 6 | 32
Actual return on plan assets | 0 | (2)
Foreign currency translation | 0 | 1
Employer contributions | 1 | 9
Employee contributions | 0 | 1
Benefits paid | (2) | (8)
Acquisitions | 0 |
Other economic events |  | (27)
End of the year | 5 | 6
Excess of defined benefit obligation over the fair value of plan assets | 152 | 187
Accumulated benefit obligation | ¥ 157 | ¥ 193

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- Definition Amount of administrative expenses, taxes and premiums paid related to defined benefit plan. + References No definition available. + Details
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- Definition Amount of gain (loss) from other economic events which increases (decreases) plan assets of defined benefit plan. + References No definition available. + Details
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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + 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 (e) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + 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)(1) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: 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 + Details
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