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RETIREMENT BENEFITS PLANS (Tables) | 12 Months Ended
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Dec. 31, 2021
Retirement Benefits [Abstract] |
Schedule of Obligations and Funded Status | Obligations and Funded Status
| United States pension liabilities |  | Non-United States pension liabilities |  | Other postretirement liabilities
(In millions) | 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020
Funded status |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets | $ | 3,672 |  |  | $ | 3,463 |  |  | $ | 2,247 |  |  | $ | 2,137 |  |  | $ | 19 |  |  | $ | 20 |
Benefit obligations | (3,760) |  |  | (4,121) |  |  | (2,837) |  |  | (3,036) |  |  | (304) |  |  | (375) |
Funded status | $ | (88) |  |  | $ | (658) |  |  | $ | (590) |  |  | $ | (899) |  |  | $ | (285) |  |  | $ | (355) |
Amounts recognized in the Consolidated Balance Sheets |  |  |  |  |  |  |  |  |  |  |
Non-current assets | $ | 59 |  |  | $ | — |  |  | $ | 179 |  |  | $ | 95 |  |  | $ | — |  |  | $ | — |
Current liabilities | (16) |  |  | (36) |  |  | (28) |  |  | (28) |  |  | (22) |  |  | (25) |
Non-current liabilities | (131) |  |  | (622) |  |  | (741) |  |  | (966) |  |  | (263) |  |  | (330) |
Total | $ | (88) |  |  | $ | (658) |  |  | $ | (590) |  |  | $ | (899) |  |  | $ | (285) |  |  | $ | (355) |
Amounts recognized in Accumulated other comprehensive loss (pre-tax) |  |  |  |  |  |  |  |  |  |  |
Net actuarial (gain) loss | $ | 708 |  |  | $ | 1,046 |  |  | $ | 745 |  |  | $ | 1,005 |  |  | $ | (55) |  |  | $ | 1 |
Prior service cost (credit) | 5 |  |  | 5 |  |  | 18 |  |  | 21 |  |  | — |  |  | (3) |
Total | $ | 713 |  |  | $ | 1,051 |  |  | $ | 763 |  |  | $ | 1,026 |  |  | $ | (55) |  |  | $ | (2) |
Schedule of Change in Benefit Obligations | Change in Benefit Obligations
| United States pension liabilities |  | Non-United States pension liabilities |  | Other postretirement liabilities
(In millions) | 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020
Balance at January 1 | $ | 4,121 |  |  | $ | 4,028 |  |  | $ | 3,036 |  |  | $ | 2,747 |  |  | $ | 375 |  |  | $ | 378 |
Service cost | 37 |  |  | 97 |  |  | 72 |  |  | 73 |  |  | 1 |  |  | 2 |
Interest cost | 70 |  |  | 103 |  |  | 40 |  |  | 45 |  |  | 6 |  |  | 9 |
Actuarial (gain) loss | (82) |  |  | 223 |  |  | (143) |  |  | 217 |  |  | (59) |  |  | 11 |
Gross benefits paid | (435) |  |  | (330) |  |  | (107) |  |  | (121) |  |  | (36) |  |  | (49) |
Currency translation | — |  |  | — |  |  | (79) |  |  | 137 |  |  | — |  |  | 2 |
Plan amendments | 1 |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | — |
Acquisitions and divestitures | 48 |  |  | — |  |  | 14 |  |  | — |  |  | 2 |  |  | — |
Benefit obligation reclassified to held for sale | — |  |  | — |  |  | — |  |  | (65) |  |  | — |  |  | — |
Other | — |  |  | — |  |  | 4 |  |  | 2 |  |  | 15 |  |  | 22 |
Balance at December 31 | $ | 3,760 |  |  | $ | 4,121 |  |  | $ | 2,837 |  |  | $ | 3,036 |  |  | $ | 304 |  |  | $ | 375 |
Accumulated benefit obligation | $ | 3,707 |  |  | $ | 4,054 |  |  | $ | 2,709 |  |  | $ | 2,862 |  |  |  |  |
Schedule of Change in Plan Assets | Change in Plan Assets
| United States pension liabilities |  | Non-United States pension liabilities |  | Other postretirement liabilities
(In millions) | 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020
Balance at January 1 | $ | 3,463 |  |  | $ | 3,433 |  |  | $ | 2,137 |  |  | $ | 1,903 |  |  | $ | 20 |  |  | $ | 23 |
Actual return on plan assets | 380 |  |  | 342 |  |  | 127 |  |  | 185 |  |  | — |  |  | 1 |
Employer contributions | 237 |  |  | 18 |  |  | 106 |  |  | 104 |  |  | 20 |  |  | 23 |
Gross benefits paid | (435) |  |  | (330) |  |  | (107) |  |  | (121) |  |  | (36) |  |  | (49) |
Currency translation | — |  |  | — |  |  | (23) |  |  | 69 |  |  | — |  |  | — |
Acquisitions and divestitures | 27 |  |  | — |  |  | 4 |  |  | — |  |  | — |  |  | — |
Plan assets reclassified to held for sale | — |  |  | — |  |  | — |  |  | (5) |  |  | — |  |  | — |
Other | — |  |  | — |  |  | 3 |  |  | 2 |  |  | 15 |  |  | 22 |
Balance at December 31 | $ | 3,672 |  |  | $ | 3,463 |  |  | $ | 2,247 |  |  | $ | 2,137 |  |  | $ | 19 |  |  | $ | 20 |
Schedule of Components of Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets | The components of pension plans with an accumulated benefit obligation in excess of plan assets at December 31 are as follows:
| United States pension liabilities |  | Non-United States pension liabilities
(In millions) | 2021 |  | 2020 |  | 2021 |  | 2020
Accumulated benefit obligation | $ | 131 |  |  | $ | 4,054 |  |  | $ | 894 |  |  | $ | 2,586 |
Fair value of plan assets | — |  |  | 3,463 |  |  | 207 |  |  | 1,756 |
Schedule of Components of Pension Plans with Projected Benefit Obligations in Excess of Plan Assets | The components of pension plans with a projected benefit obligation in excess of plan assets at December 31 are as follows:
| United States pension liabilities |  | Non-United States pension liabilities
(In millions) | 2021 |  | 2020 |  | 2021 |  | 2020
Projected benefit obligation | $ | 147 |  |  | $ | 4,121 |  |  | $ | 1,290 |  |  | $ | 2,763 |
Fair value of plan assets | — |  |  | 3,463 |  |  | 521 |  |  | 1,770 |
Schedule of Changes in Pension and Other Postretirement Benefits Liabilities recognized in Accumulated Other Comprehensive Income (Loss) | Changes in pension and other postretirement benefit liabilities recognized in Accumulated other comprehensive loss are as follows:
| United States pension liabilities |  | Non-United States pension liabilities |  | Other postretirement liabilities
(In millions) | 2021 |  | 2020 |  | 2021 |  | 2020 |  | 2021 |  | 2020
Balance at January 1 | $ | 1,051 |  |  | $ | 1,103 |  |  | $ | 1,026 |  |  | $ | 904 |  |  | $ | (2) |  |  | $ | (25) |
Prior service cost arising during the year | 1 |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | — |
Net loss (gain) arising during the year | (238) |  |  | 112 |  |  | (151) |  |  | 141 |  |  | (59) |  |  | 10 |
Currency translation | — |  |  | — |  |  | (24) |  |  | 48 |  |  | — |  |  | — |
Other | — |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | — |
Less amounts included in expense during the year | (101) |  |  | (164) |  |  | (88) |  |  | (70) |  |  | 6 |  |  | 13 |
Net change for the year | (338) |  |  | (52) |  |  | (263) |  |  | 122 |  |  | (53) |  |  | 23 |
Balance at December 31 | $ | 713 |  |  | $ | 1,051 |  |  | $ | 763 |  |  | $ | 1,026 |  |  | $ | (55) |  |  | $ | (2) |
Schedule of Benefits Expense | Benefits Expense
| United States pension benefit expense (income) |  | Non-United States pension benefit expense (income) |  | Other postretirement benefits expense (income)
(In millions) | 2021 |  | 2020 |  | 2019 |  | 2021 |  | 2020 |  | 2019 |  | 2021 |  | 2020 |  | 2019
Service cost | $ | 37 |  |  | $ | 97 |  |  | $ | 91 |  |  | $ | 72 |  |  | $ | 73 |  |  | $ | 58 |  |  | $ | 1 |  |  | $ | 2 |  |  | $ | 2 |
Interest cost | 70 |  |  | 103 |  |  | 138 |  |  | 40 |  |  | 45 |  |  | 57 |  |  | 6 |  |  | 9 |  |  | 14 |
Expected return on plan assets | (223) |  |  | (231) |  |  | (235) |  |  | (120) |  |  | (109) |  |  | (106) |  |  | — |  |  | — |  |  | (2) |
Amortization | 36 |  |  | 102 |  |  | 62 |  |  | 71 |  |  | 60 |  |  | 38 |  |  | (5) |  |  | (13) |  |  | (14) |
| (80) |  |  | 71 |  |  | 56 |  |  | 63 |  |  | 69 |  |  | 47 |  |  | 2 |  |  | (2) |  |  | — |
Settlements, curtailments and special termination benefits | 65 |  |  | 62 |  |  | 48 |  |  | 17 |  |  | 10 |  |  | 14 |  |  | (1) |  |  | — |  |  | — |
Total expense (income) | $ | (15) |  |  | $ | 133 |  |  | $ | 104 |  |  | $ | 80 |  |  | $ | 79 |  |  | $ | 61 |  |  | $ | 1 |  |  | $ | (2) |  |  | $ | — |
Schedule of Assumptions Used to Determine Pension Plans Expense | Pension Plans
| United States pension plans |  | Non-United States pension plans
| 2021 |  | 2020 |  | 2019 |  | 2021 |  | 2020 |  | 2019
Assumptions used to determine benefit obligation at year-end |  |  |  |  |  |  |  |  |  |  |
Discount rate | 2.81 | % |  | 2.48 | % |  | 3.22 | % |  | 2.01 | % |  | 1.59 | % |  | 2.02 | %
Rate of compensation increase | 3.12 | % |  | 3.12 | % |  | 3.14 | % |  | 3.01 | % |  | 3.02 | % |  | 3.05 | %
Interest rate used to credit cash balance plans | 1.99 | % |  | 2.02 | % |  | 2.59 | % |  | 0.56 | % |  | 0.53 | % |  | 0.54 | %
Assumptions used to determine expense |  |  |  |  |  |  |  |  |  |  |
Discount rate used to determine benefit obligation | 2.61 | % |  | 3.22 | % |  | 4.28 | % |  | 1.63 | % |  | 2.02 | % |  | 2.83 | %
Discount rate used to determine service cost | 2.92 | % |  | 3.34 | % |  | 4.39 | % |  | 2.52 | % |  | 2.78 | % |  | 4.02 | %
Discount rate used to determine interest cost | 1.83 | % |  | 2.75 | % |  | 3.94 | % |  | 1.36 | % |  | 1.82 | % |  | 2.56 | %
Expected long-term return on plan assets | 6.75 | % |  | 7.25 | % |  | 7.25 | % |  | 5.62 | % |  | 5.84 | % |  | 6.42 | %
Rate of compensation increase | 3.12 | % |  | 3.14 | % |  | 3.14 | % |  | 3.02 | % |  | 3.05 | % |  | 3.10 | %
Interest rate used to credit cash balance plans | 2.14 | % |  | 2.59 | % |  | 3.13 | % |  | 0.52 | % |  | 0.54 | % |  | 2.60 | %
Schedule of Assumptions Used to Determine Other Postretirement Benefits Obligations and Expense | Assumptions used to determine other postretirement benefits obligations and expense are as follows:
| Other postretirement benefits plans
| 2021 |  | 2020 |  | 2019
Assumptions used to determine benefit obligation at year-end |  |  |  |  |
Discount rate | 2.79 | % |  | 2.37 | % |  | 3.13 | %
Health care cost trend rate assumed for next year | 7.45 | % |  | 7.05 | % |  | 6.95 | %
Ultimate health care cost trend rate | 4.75 | % |  | 4.75 | % |  | 4.75 | %
Year ultimate health care cost trend rate is achieved | 2031 |  | 2030 |  | 2029
Assumptions used to determine expense |  |  |  |  |
Discount rate used to determine benefit obligation | 2.44 | % |  | 3.13 | % |  | 4.23 | %
Discount rate used to determine service cost | 2.76 | % |  | 3.25 | % |  | 4.29 | %
Discount rate used to determine interest cost | 1.70 | % |  | 2.67 | % |  | 3.85 | %
Initial health care cost trend rate | 7.38 | % |  | 6.95 | % |  | 7.10 | %
Ultimate health care cost trend rate | 4.75 | % |  | 4.75 | % |  | 4.75 | %
Year ultimate health care cost trend rate is achieved | 2030 |  | 2029 |  | 2028
Schedule of Employer Contributions to Pension Plans | Contributions to pension plans that Eaton expects to make in 2022, and made in 2021, 2020 and 2019, are as follows:
(In millions) | Expected in 2022 |  | 2021 |  | 2020 |  | 2019
United States plans | $ | 17 |  |  | $ | 237 |  |  | $ | 18 |  |  | $ | 17 |
Non-United States plans | 97 |  |  | 106 |  |  | 104 |  |  | 102 |
Total contributions | $ | 114 |  |  | $ | 343 |  |  | $ | 122 |  |  | $ | 119 |
Schedule of Expected Pension and Other Postretirement Benefit Payments and Expected Subsidy | For other postretirement benefits liabilities, the expected subsidy receipts related to the Medicare Prescription Drug, Improvement, and Modernization Act of 2003 would reduce the gross payments listed below.
| Estimated United States pension payments |  | Estimated non-United States pension payments |  | Estimated other postretirement benefit payments
(In millions) |  |  | Gross |  | Medicare prescription drug subsidy
2022 | $ | 303 |  |  | $ | 106 |  |  | $ | 25 |  |  | $ | — |
2023 | 296 |  |  | 107 |  |  | 21 |  |  | — |
2024 | 281 |  |  | 111 |  |  | 20 |  |  | — |
2025 | 276 |  |  | 113 |  |  | 18 |  |  | — |
2026 | 265 |  |  | 118 |  |  | 17 |  |  | — |
2027 - 2031 | 1,176 |  |  | 642 |  |  | 94 |  |  | (1) |
Schedule of Fair Value of Pension Plan Assets | A summary of the fair value of pension plan assets at December 31, 2021 and 2020, is as follows:
(In millions) | Total |  | Quoted prices in active markets for identical assets (Level 1) |  | Other observable inputs (Level 2) |  | Unobservable inputs (Level 3)1
2021 |  |  |  |  |  |  |
Common collective trusts |  |  |  |  |  |  |
Non-United States equity and global equities | $ | 586 |  |  | $ | — |  |  | $ | 586 |  |  | $ | — |
United States equity | 240 |  |  | — |  |  | 240 |  |  | — |
Fixed income | 624 |  |  | — |  |  | 624 |  |  | — |
Fixed income securities | 1,074 |  |  | — |  |  | 1,074 |  |  | — |
United States treasuries | 417 |  |  | 417 |  |  | — |  |  | — |
Bank loans | 117 |  |  | — |  |  | 117 |  |  | — |
Real estate | 471 |  |  | 237 |  |  | 18 |  |  | 216 |
Equity securities | 2 |  |  | 2 |  |  | — |  |  | — |
Cash equivalents | 150 |  |  | 28 |  |  | 122 |  |  | — |
Exchange traded funds | 122 |  |  | 122 |  |  | — |  |  | — |
Other | 365 |  |  | — |  |  | 46 |  |  | 319 |
Common collective and other trusts measured at net asset value | 1,841 |  |  |  |  |  |  |
Money market funds measured at net asset value | 9 |  |  |  |  |  |  |
Pending purchases and sales of plan assets, and interest receivable | (99) |  |  |  |  |  |  |
Total pension plan assets | $ | 5,919 |  |  | $ | 806 |  |  | $ | 2,827 |  |  | $ | 535 |
1 These pension plan assets include private real estate, private credit and private equity funds that generally have redemption notice periods of six months or longer, and are not eligible for redemption until the underlying assets are liquidated or distributed. The Company has unfunded commitments to these funds of approximately $192 million at December 31, 2021, which will be satisfied by a reallocation of pension plan assets.
(In millions) | Total |  | Quoted prices in active markets for identical assets (Level 1) |  | Other observable inputs (Level 2) |  | Unobservable inputs (Level 3)1
2020 |  |  |  |  |  |  |
Common collective trusts |  |  |  |  |  |  |
Non-United States equity and global equities | $ | 610 |  |  | $ | — |  |  | $ | 610 |  |  | $ | — |
United States equity | 73 |  |  | — |  |  | 73 |  |  | — |
Fixed income | 681 |  |  | — |  |  | 681 |  |  | — |
Fixed income securities | 1,021 |  |  | — |  |  | 1,021 |  |  | — |
United States treasuries | 316 |  |  | 316 |  |  | — |  |  | — |
Bank loans | 110 |  |  | — |  |  | 110 |  |  | — |
Real estate | 419 |  |  | 221 |  |  | 14 |  |  | 184 |
Cash equivalents | 184 |  |  | 71 |  |  | 113 |  |  | — |
Exchange traded funds | 88 |  |  | 88 |  |  | — |  |  | — |
Other | 213 |  |  | — |  |  | 39 |  |  | 174 |
Common collective and other trusts measured at net asset value | 1,987 |  |  |  |  |  |  |
Money market funds measured at net asset value | 6 |  |  |  |  |  |  |
Pending purchases and sales of plan assets, and interest receivable | (108) |  |  |  |  |  |  |
Total pension plan assets | $ | 5,600 |  |  | $ | 696 |  |  | $ | 2,661 |  |  | $ | 358 |
1 These pension plan assets include private real estate, private credit and private equity funds that generally have redemption notice periods of six months or longer, and are not eligible for redemption until the underlying assets are liquidated or distributed. The Company has unfunded commitments to these funds of approximately $254 million at December 31, 2020, which will be satisfied by a reallocation of pension plan assets.
Schedule of Fair Value Measurement of Plan Assets using Significant Unobservable Inputs | The fair value measurement of plan assets using significant unobservable inputs (Level 3) changed during 2020 and 2021 due to the following:
(In millions) | Real estate |  |  |  | Other |  | Total
Balance at January 1, 2020 | $ | 61 |  |  |  |  | $ | 129 |  |  | $ | 190 |
Actual return on plan assets: |  |  |  |  |  |  |
Gains (losses) relating to assets still held at year-end | 2 |  |  |  |  | 12 |  |  | 14 |
Purchases, sales, settlements - net | 121 |  |  |  |  | 33 |  |  | 154 |
Transfers into or out of Level 3 | — |  |  |  |  | — |  |  | — |
Balance at December 31, 2020 | 184 |  |  |  |  | 174 |  |  | 358 |
Actual return on plan assets: |  |  |  |  |  |  |
Gains (losses) relating to assets still held at year-end | 28 |  |  |  |  | 61 |  |  | 89 |
Purchases, sales, settlements - net | 4 |  |  |  |  | 79 |  |  | 83 |
Transfers into or out of Level 3 | — |  |  |  |  | 5 |  |  | 5 |
Balance at December 31, 2021 | $ | 216 |  |  |  |  | $ | 319 |  |  | $ | 535 |
Schedule of Fair Value of Other Postretirement Benefits Plan Assets | A summary of the fair value of other postretirement benefits plan assets at December 31, 2021 and 2020, is as follows:
(In millions) | Total |  | Quoted prices in active markets for identical assets (Level 1) |  | Other observable inputs (Level 2) |  | Unobservable inputs (Level 3)
2021 |  |  |  |  |  |  |
Cash equivalents | $ | 3 |  |  | $ | 3 |  |  | $ | — |  |  | $ | — |
Common collective and other trusts measured at net asset value | 16 |  |  |  |  |  |  |
Total other postretirement benefits plan assets | $ | 19 |  |  | $ | 3 |  |  | $ | — |  |  | $ | — |
(In millions) | Total |  | Quoted prices in active markets for identical assets (Level 1) |  | Other observable inputs (Level 2) |  | Unobservable inputs (Level 3)
2020 |  |  |  |  |  |  |
Cash equivalents | $ | 3 |  |  | $ | 3 |  |  | $ | — |  |  | $ | — |
Common collective and other trusts measured at net asset value | 17 |  |  |  |  |  |  |
Total other postretirement benefits plan assets | $ | 20 |  |  | $ | 3 |  |  | $ | — |  |  | $ | — |
Schedule of Employer Contributions to Defined Contribution Benefit Plans, Charged to Expense | The total contributions related to these plans are charged to expense and are as follows:
(In millions) |
2021 | $ | 171 |
2020 | 111 |
2019 | 130 |

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- Definition Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate. + 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 (k) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of benefit obligation and plan assets for defined benefit pension plan with projected benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2417-114920 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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- Definition Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period. + References No definition available. + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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