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Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2020
Pension Plans |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Projected Benefit Obligations, Plan Assets and Funded Status of Pension Plans | The projected benefit obligations, plan assets and funded status of our pension plans were:
| U.S. Plans |  | Non-U.S. Plans
| 2020 |  | 2019 |  | 2020 |  | 2019
| (in millions)
Projected benefit obligation at January 1 | $ | 1,748 |  |  | $ | 1,511 |  |  | $ | 10,458 |  |  | $ | 9,578 |
Service cost | 6 |  |  | 38 |  |  | 121 |  |  | 122 |
Interest cost | 49 |  |  | 60 |  |  | 149 |  |  | 202 |
Benefits paid | (35) |  |  | (40) |  |  | (473) |  |  | (424) |
Settlements paid | (95) |  |  | (73) |  |  | — |  |  | (1) |
Actuarial (gains)/losses | 213 |  |  | 251 |  |  | 679 |  |  | 761 |
Currency | — |  |  | — |  |  | 572 |  |  | 207 |
Other (1) | 1 |  |  | 1 |  |  | 152 |  |  | 13 |
Projected benefit obligation at December 31 | 1,887 |  |  | 1,748 |  |  | 11,658 |  |  | 10,458 |
Fair value of plan assets at January 1 | 1,739 |  |  | 1,510 |  |  | 9,758 |  |  | 8,465 |
Actual return on plan assets | 337 |  |  | 334 |  |  | 865 |  |  | 1,211 |
Contributions | 13 |  |  | 8 |  |  | 208 |  |  | 261 |
Benefits paid | (35) |  |  | (40) |  |  | (473) |  |  | (424) |
Settlements paid | (95) |  |  | (73) |  |  | — |  |  | (1) |
Currency | — |  |  | — |  |  | 489 |  |  | 246 |
Other (1) | — |  |  | — |  |  | 125 |  |  | — |
Fair value of plan assets at December 31 | 1,959 |  |  | 1,739 |  |  | 10,972 |  |  | 9,758 |
Net pension (liabilities)/assets at December 31 | $ | 72 |  |  | $ | (9) |  |  | $ | (686) |  |  | $ | (700) |
(1)In 2020 we reviewed the impact of market changes on design features of certain historical defined contribution plans. The review resulted in additional plans being accounted for as defined benefit pension plans, which resulted in increases of $133 million in the projected benefit obligation and $125 million in plan assets in 2020
Schedule of Pension Plans Resulted in Net Pension Liability | The combined U.S. and non-U.S. pension plans resulted in a net pension liability of $614 million at December 31, 2020 and $709 million at December 31, 2019. We recognized these amounts in our consolidated balance sheets as follows:
| As of December 31,
| 2020 |  | 2019
| (in millions)
Prepaid pension assets | $ | 672 |  |  | $ | 516 |
Other current liabilities | (29) |  |  | (35) |
Accrued pension costs | (1,257) |  |  | (1,190) |
| $ | (614) |  |  | $ | (709) |
Schedule of Projected Benefit Obligations, Accumulated Benefit Obligations and Fair Value of Plan Assets | Certain of our U.S. and non-U.S. plans are underfunded with accumulated benefit obligations in excess of plan assets. For these plans, the projected benefit obligations, accumulated benefit obligations and the fair value of plan assets were:
| U.S. Plans |  | Non-U.S. Plans
| As of December 31, |  | As of December 31,
| 2020 |  | 2019 |  | 2020 |  | 2019
| (in millions)
Projected benefit obligation | $ | 51 |  |  | $ | 55 |  |  | $ | 4,059 |  |  | $ | 3,613 |
Accumulated benefit obligation | 51 |  |  | 55 |  |  | 3,873 |  |  | 3,447 |
Fair value of plan assets | 3 |  |  | 2 |  |  | 2,827 |  |  | 2,443 |
Schedule of Weighted-Average Assumptions Used to Determine Benefit Obligations | We used the following weighted-average assumptions to determine our benefit obligations under the pension plans:
| U.S. Plans |  | Non-U.S. Plans
| As of December 31, |  | As of December 31,
| 2020 |  | 2019 |  | 2020 |  | 2019
Discount rate | 2.73 % |  | 3.44 | % |  | 1.33 % |  | 1.74 | %
Expected rate of return on plan assets | 4.50 % |  | 5.00 | % |  | 3.90 % |  | 4.20 | %
Rate of compensation increase | 4.00 % |  | 4.00 | % |  | 3.16 % |  | 3.17 | %
We used the following weighted-average assumptions to determine our net periodic pension cost:
| U.S. Plans |  | Non-U.S. Plans
| For the Years Ended December 31, |  | For the Years Ended December 31,
| 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
Discount rate | 3.44 | % |  | 4.40 | % |  | 3.68 | % |  | 1.74 | % |  | 2.45 | % |  | 2.20 | %
Expected rate of return on plan assets | 5.00 | % |  | 5.75 | % |  | 5.50 | % |  | 4.20 | % |  | 4.80 | % |  | 4.90 | %
Rate of compensation increase | 4.00 | % |  | 4.00 | % |  | 4.00 | % |  | 3.17 | % |  | 3.31 | % |  | 3.31 | %
Schedule of Components of Net Costs | Net periodic pension cost consisted of the following:
| U.S. Plans |  | Non-U.S. Plans
| For the Years Ended December 31, |  | For the Years Ended December 31,
| 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
| (in millions)
Service cost | $ | 6 |  |  | $ | 38 |  |  | $ | 43 |  |  | $ | 121 |  |  | $ | 122 |  |  | $ | 146 |
Interest cost | 49 |  |  | 60 |  |  | 61 |  |  | 149 |  |  | 202 |  |  | 199 |
Expected return on plan assets | (77) |  |  | (88) |  |  | (88) |  |  | (400) |  |  | (404) |  |  | (448) |
Amortization: |  |  |  |  |  |  |  |  |  |  |
Net loss/(gain) | 17 |  |  | 30 |  |  | 32 |  |  | 118 |  |  | 148 |  |  | 163 |
Prior service cost/(benefit) | 1 |  |  | 1 |  |  | 2 |  |  | (7) |  |  | (6) |  |  | (2) |
Settlement losses and other expenses (1) | 18 |  |  | 16 |  |  | 35 |  |  | 4 |  |  | (3) |  |  | 5 |
Net periodic pension cost | $ | 14 |  |  | $ | 57 |  |  | $ | 85 |  |  | $ | (15) |  |  | $ | 59 |  |  | $ | 63 |
(1)Settlement losses of $3 million in 2020, $5 million in 2019 and $5 million in 2018 were incurred in connection with our Simplify to Grow Program. See Note 8, Restructuring Program, for more information. Net settlement losses of $13 million for our U.S. plans and settlement losses of $6 million for our non-U.S. plans in 2020, settlement losses of $12 million for our U.S. plans and settlement gains of $4 million for our non-U.S. plans in 2019 and settlement losses of $31 million for our U.S. plans and $4 million for our non-U.S. plans in 2018 related to lump-sum payment elections made by retired employees.
Schedule of Fair Values of Pension Plan Assets | The fair value of pension plan assets was determined using the following fair value measurements:
|  | As of December 31, 2020
Asset Category |  | Total Fair Value |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
|  | (in millions)
U.S. equity securities |  | $ | 4 |  |  | $ | 4 |  |  | $ | — |  |  | $ | — |
Non-U.S. equity securities |  | 1 |  |  | 1 |  |  | — |  |  | — |
Pooled funds - equity securities |  | 2,225 |  |  | 999 |  |  | 1,226 |  |  | — |
Total equity securities |  | 2,230 |  |  | 1,004 |  |  | 1,226 |  |  | — |
Government bonds |  | 4,340 |  |  | 60 |  |  | 4,280 |  |  | — |
Pooled funds - fixed-income securities |  | 622 |  |  | 439 |  |  | 183 |  |  | — |
Corporate bonds and other fixed-income securities |  | 2,860 |  |  | 258 |  |  | 811 |  |  | 1,791 |
Total fixed-income securities |  | 7,822 |  |  | 757 |  |  | 5,274 |  |  | 1,791 |
Real estate |  | 212 |  |  | 142 |  |  | — |  |  | 70 |
Private equity |  | 3 |  |  | — |  |  | — |  |  | 3 |
Cash |  | 117 |  |  | 107 |  |  | 10 |  |  | — |
Other |  | 5 |  |  | 4 |  |  | — |  |  | 1 |
Total assets in the fair value hierarchy |  | $ | 10,389 |  |  | $ | 2,014 |  |  | $ | 6,510 |  |  | $ | 1,865 |
Investments measured at net asset value |  | 2,413 |  |  |  |  |  |  |
Total investments at fair value |  | $ | 12,802 |  |  |  |  |  |  |
|  | As of December 31, 2019
Asset Category |  | Total Fair Value |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
|  | (in millions)
U.S. equity securities |  | $ | 2 |  |  | $ | 2 |  |  | $ | — |  |  | $ | — |
Non-U.S. equity securities |  | 2 |  |  | 2 |  |  | — |  |  | — |
Pooled funds - equity securities |  | 2,186 |  |  | 890 |  |  | 1,296 |  |  | — |
Total equity securities |  | 2,190 |  |  | 894 |  |  | 1,296 |  |  | — |
Government bonds |  | 3,328 |  |  | 53 |  |  | 3,275 |  |  | — |
Pooled funds - fixed-income securities |  | 575 |  |  | 417 |  |  | 158 |  |  | — |
Corporate bonds and other fixed-income securities |  | 2,727 |  |  | 66 |  |  | 825 |  |  | 1,836 |
Total fixed-income securities |  | 6,630 |  |  | 536 |  |  | 4,258 |  |  | 1,836 |
Real estate |  | 186 |  |  | 124 |  |  | — |  |  | 62 |
Private equity |  | 3 |  |  | — |  |  | — |  |  | 3 |
Cash |  | 122 |  |  | 117 |  |  | 5 |  |  | — |
Other |  | 2 |  |  | 1 |  |  | — |  |  | 1 |
Total assets in the fair value hierarchy |  | $ | 9,133 |  |  | $ | 1,672 |  |  | $ | 5,559 |  |  | $ | 1,902 |
Investments measured at net asset value |  | 2,297 |  |  |  |  |  |  |
Total investments at fair value |  | $ | 11,430 |  |  |  |  |  |  |
The percentage of fair value of pension plan assets was:
|  | U.S. Plans |  | Non-U.S. Plans
|  | As of December 31, |  | As of December 31,
Asset Category |  | 2020 |  | 2019 |  | 2020 |  | 2019
Equity securities |  | 15 | % |  | 15 | % |  | 23 | % |  | 26 | %
Fixed-income securities |  | 85 | % |  | 85 | % |  | 58 | % |  | 54 | %
Real estate |  | — |  |  | — |  |  | 5 | % |  | 6 | %
Hedge funds |  | — |  |  | — |  |  | 2 | % |  | 1 | %
Buy-in annuity policies |  | — |  |  | — |  |  | 11 | % |  | 12 | %
Cash |  | — |  |  | — |  |  | 1 | % |  | 1 | %
Total |  | 100 | % |  | 100 | % |  | 100 | % |  | 100 | %
Schedule of Changes in Level 3 Plan Assets | Changes in our Level 3 plan assets, which are recorded in other comprehensive earnings/(losses), included:
Asset Category |  | January 1, 2020 Balance |  | Net Realized and Unrealized Gains/ (Losses) |  | Net Purchases, Issuances and Settlements |  | Net Transfers Into/(Out of) Level 3 |  | Currency Impact |  | December 31, 2020 Balance
|  | (in millions)
Corporate bond and other fixed-income securities |  | $ | 1,836 |  |  | $ | 16 |  |  | $ | (110) |  |  | $ | — |  |  | $ | 49 |  |  | $ | 1,791 |
Real estate |  | 62 |  |  | 5 |  |  | — |  |  | — |  |  | 3 |  |  | 70 |
Private equity and other |  | 4 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 4 |
Total Level 3 investments |  | $ | 1,902 |  |  | $ | 21 |  |  | $ | (110) |  |  | $ | — |  |  | $ | 52 |  |  | $ | 1,865 |
Asset Category |  | January 1, 2019 Balance |  | Net Realized and Unrealized Gains/ (Losses) |  | Net Purchases, Issuances and Settlements |  | Net Transfers Into/(Out of) Level 3 |  | Currency Impact |  | December 31, 2019 Balance
|  | (in millions)
Corporate bond and other fixed-income securities |  | $ | 1,032 |  |  | $ | 8 |  |  | $ | 727 |  |  | $ | — |  |  | $ | 69 |  |  | $ | 1,836 |
Real estate |  | 22 |  |  | 36 |  |  | 3 |  |  | — |  |  | 1 |  |  | 62 |
Private equity and other |  | 3 |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | 4 |
Total Level 3 investments |  | $ | 1,057 |  |  | $ | 45 |  |  | $ | 730 |  |  | $ | — |  |  | $ | 70 |  |  | $ | 1,902 |
Schedule of Estimated Future Benefit Payments | The estimated future benefit payments from our pension plans at December 31, 2020 were (in millions):
| 2021 |  | 2022 |  | 2023 |  | 2024 |  | 2025 |  | 2025-2030
U.S. Plans | $ | 168 |  |  | $ | 104 |  |  | $ | 105 |  |  | $ | 103 |  |  | $ | 104 |  |  | $ | 506 |
Non-U.S. Plans | 411 |  |  | 410 |  |  | 420 |  |  | 431 |  |  | 438 |  |  | 2,291 |
Postretirement Health Care Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Weighted-Average Assumptions Used to Determine Benefit Obligations | We used the following weighted-average assumptions to determine our net periodic postretirement health care cost:
| U.S. Plans |  | Non-U.S. Plans
| For the Years Ended December 31, |  | For the Years Ended December 31,
| 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
Discount rate | 3.41% |  | 4.37% |  | 3.66% |  | 3.86% |  | 4.40% |  | 4.24%
Health care cost trend rate | 6.00% |  | 6.25% |  | 6.25% |  | 5.42% |  | 5.44% |  | 5.56%
Schedule of Components of Net Costs | Net periodic postretirement health care costs consisted of the following:
| For the Years Ended December 31,
| 2020 |  | 2019 |  | 2018
| (in millions)
Service cost | $ | 5 |  |  | $ | 5 |  |  | $ | 6 |
Interest cost | 12 |  |  | 15 |  |  | 14 |
Amortization: |  |  |  |  |
Net loss/(gain) | 7 |  |  | 6 |  |  | 15 |
Prior service credit | (30) |  |  | (38) |  |  | (39) |
Net periodic postretirement health care costs/(benefit) | $ | (6) |  |  | $ | (12) |  |  | $ | (4) |
Schedule of Estimated Future Benefit Payments | Our estimated future benefit payments for our postretirement health care plans at December 31, 2020 were (in millions):
| 2021 |  | 2022 |  | 2023 |  | 2024 |  | 2025 |  | 2025-2030
U.S. Plans | $ | 11 |  |  | $ | 11 |  |  | $ | 12 |  |  | $ | 12 |  |  | $ | 12 |  |  | $ | 60 |
Non-U.S. Plans | 5 |  |  | 5 |  |  | 5 |  |  | 5 |  |  | 5 |  |  | 29 |
Schedule of Changes in Accumulated Postemployment Benefit Obligations | Our postretirement health care plans are not funded. The changes in and the amount of the accrued benefit obligation were:
| As of December 31,
| 2020 |  | 2019
| (in millions)
Accrued benefit obligation at January 1 | $ | 403 |  |  | $ | 366 |
Service cost | 5 |  |  | 5 |
Interest cost | 12 |  |  | 15 |
Benefits paid | (17) |  |  | (16) |
Currency | (1) |  |  | 5 |
Actuarial losses/(gains) | (41) |  |  | 28 |
Accrued benefit obligation at December 31 | $ | 361 |  |  | $ | 403 |
Schedule of Weighted-Average Assumptions to Determine Benefit Obligations | We used the following weighted-average assumptions to determine our postretirement benefit obligations:
| U.S. Plans |  | Non-U.S. Plans
| As of December 31, |  | As of December 31,
| 2020 |  | 2019 |  | 2020 |  | 2019
Discount rate | 2.68 % |  | 3.41 | % |  | 3.35 % |  | 3.86 | %
Health care cost trend rate assumed for next year | 5.75 % |  | 6.00 | % |  | 5.66 % |  | 5.42 | %
Ultimate trend rate | 5.00 % |  | 5.00 | % |  | 4.44 | % |  | 5.42 | %
Year that the rate reaches the ultimate trend rate | 2024 |  | 2024 |  | 2040 |  | 2019
Postemployment Benefit Plans |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Components of Net Costs | Our postemployment plans are not funded. The changes in and the amount of the accrued benefit obligation at December 31, 2020 and 2019 were:
| As of December 31,
| 2020 |  | 2019
| (in millions)
Accrued benefit obligation at January 1 | $ | 66 |  |  | $ | 74 |
Service cost | 6 |  |  | 6 |
Interest cost | 3 |  |  | 5 |
Benefits paid | (10) |  |  | (9) |
Actuarial losses/(gains) | — |  |  | (10) |
Accrued benefit obligation at December 31 | $ | 65 |  |  | $ | 66 |
Schedule of Changes in Accumulated Postemployment Benefit Obligations | Net periodic postemployment costs consisted of the following:
| For the Years Ended December 31,
| 2020 |  | 2019 |  | 2018
| (in millions)
Service cost | $ | 6 |  |  | $ | 6 |  |  | $ | 6 |
Interest cost | 3 |  |  | 5 |  |  | 4 |
Amortization of net gains | (2) |  |  | (4) |  |  | (3) |
Net periodic postemployment costs | $ | 7 |  |  | $ | 7 |  |  | $ | 7 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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