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Retirement Programs (Tables) | 12 Months Ended
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Dec. 31, 2023
Retirement Benefits [Abstract] |
Schedule of Pension and OPEB Net Periodic Benefit Costs Table | The components of net pension and postretirement benefits other than pension ("OPEB") costs for 2023, 2022 and 2021 are shown in the table below:
(Millions of dollars) | Year Ended December 31,
2023 |  | 2022 |  | 2021
Amount recognized in Operating Profit |  |  |  |  |
Service cost | $ | 84 |  |  | $ | 127 |  |  | $ | 157 |
Amount recognized in Net pension and OPEB cost (benefit), excluding service cost |  |  |  |  |
Interest cost | 373 |  |  | 201 |  |  | 154 |
Expected return on plan assets | (523) |  |  | (518) |  |  | (521) |
Net amortization and deferral | (30) |  |  | 74 |  |  | 171 |
Settlement charges (a) | 16 |  |  | 6 |  |  | 4 |
| $ | (164) |  |  | $ | (237) |  |  | $ | (192) |
Net periodic benefit cost (benefit) | $ | (80) |  |  | $ | (110) |  |  | $ | (35) |
(a) Settlement charges were triggered by lump sum benefit payments.
Schedule of Pension and OPEB Funded Status Table | Changes in the benefit obligation and plan assets for Linde’s pension and OPEB programs, including reconciliation of the funded status of the plans to amounts recorded in the consolidated balance sheet, as of December 31, 2023 and 2022 are shown below.
(Millions of dollars) | Year Ended December 31,
2023 |  | 2022
U.S. |  | Non-U.S. |  | U.S. |  | Non-U.S.
Change in Benefit Obligation ("PBO") |  |  |  |  |  |  |
Benefit obligation, January 1 | $ | 2,129 |  |  | $ | 5,586 |  |  | $ | 2,719 |  |  | $ | 9,398 |
Service cost | 25 |  |  | 59 |  |  | 34 |  |  | 93 |
Interest cost | 105 |  |  | 268 |  |  | 60 |  |  | 141 |
Participant contributions | 11 |  |  | 18 |  |  | 11 |  |  | 17 |
Actuarial loss (gain) | 100 |  |  | 532 |  |  | (528) |  |  | (2,972) |
Benefits paid | (162) |  |  | (324) |  |  | (158) |  |  | (296) |
Plan settlement | (21) |  |  | (14) |  |  | (9) |  |  | (8) |
Foreign currency translation and other changes | — |  |  | 260 |  |  | — |  |  | (787) |
Benefit obligation, December 31 | $ | 2,187 |  |  | $ | 6,385 |  |  | $ | 2,129 |  |  | $ | 5,586 |
Accumulated benefit obligation ("ABO") | $ | 2,037 |  |  | $ | 6,300 |  |  | $ | 1,982 |  |  | $ | 5,508 |
Change in Plan Assets |  |  |  |  |  |  |
Fair value of plan assets, January 1 | $ | 1,891 |  |  | $ | 5,794 |  |  | $ | 2,448 |  |  | $ | 7,968 |
Actual return on plan assets | 300 |  |  | 365 |  |  | (421) |  |  | (1,302) |
Company contributions | — |  |  | 46 |  |  | — |  |  | 51 |
Participant contributions | — |  |  | 18 |  |  | — |  |  | 17 |
Benefits paid from plan assets | (141) |  |  | (320) |  |  | (136) |  |  | (248) |
Foreign currency translation and other changes | — |  |  | 275 |  |  | — |  |  | (692) |
Fair value of plan assets, December 31 | $ | 2,050 |  |  | $ | 6,178 |  |  | $ | 1,891 |  |  | $ | 5,794 |
Funded Status, End of Year | $ | (137) |  |  | $ | (207) |  |  | $ | (238) |  |  | $ | 208 |
Recorded in the Balance Sheet (Note 7) |  |  |  |  |  |  |
Other long-term assets | $ | 19 |  |  | $ | 361 |  |  | $ | 13 |  |  | $ | 648 |
Other current liabilities | (17) |  |  | (14) |  |  | (38) |  |  | (13) |
Other long-term liabilities | (139) |  |  | (554) |  |  | (213) |  |  | (427) |
Net amount recognized, December 31 | $ | (137) |  |  | $ | (207) |  |  | $ | (238) |  |  | $ | 208 |
Amounts recognized in accumulated other comprehensive income (loss) consist of: |  |  |  |  |  |  |
Net actuarial loss (gain) | $ | 290 |  |  | $ | 219 |  |  | $ | 357 |  |  | $ | (343) |
Prior service cost (credit) | (10) |  |  | 1 |  |  | (12) |  |  | 4 |
Deferred tax obligation (benefit) (Note 7) | (67) |  |  | 7 |  |  | (85) |  |  | 139 |
Amount recognized in accumulated other comprehensive income (loss) (Note 7) | $ | 213 |  |  | $ | 227 |  |  | $ | 260 |  |  | $ | (200) |
Comparative funded status information as of December 31, 2023 and 2022 for select non-U.S. pension plans is presented in the table below as the benefit obligations of these plans are considered to be significant relative to the total benefit obligation:
| United Kingdom |  | Germany |  | Other Non-U.S. |  | Total Non-U.S.
(Millions of dollars) | 2023 |  | 2023 |  | 2023 |  | 2023
Benefit obligation, December 31 | $ | 3,616 |  |  | $ | 1,684 |  |  | $ | 1,085 |  |  | $ | 6,385 |
Fair value of plan assets, December 31 | 3,858 |  |  | 1,370 |  |  | 950 |  |  | 6,178 |
Funded Status, End of Year | $ | 242 |  |  | $ | (314) |  |  | $ | (135) |  |  | $ | (207) |
| United Kingdom |  | Germany |  | Other Non-U.S. |  | Total Non-U.S.
(Millions of dollars) | 2022 |  | 2022 |  | 2022 |  | 2022
Benefit obligation, December 31 | $ | 3,100 |  |  | $ | 1,485 |  |  | $ | 1,001 |  |  | $ | 5,586 |
Fair value of plan assets, December 31 | 3,625 |  |  | 1,285 |  |  | 884 |  |  | 5,794 |
Funded Status, End of Year | $ | 525 |  |  | $ | (200) |  |  | $ | (117) |  |  | $ | 208 |
Schedule of Pension and OPEB Changes in Plan Assets and Benefit Obligations Recognized in AOCI Table | The changes in plan assets and benefit obligations recognized in other comprehensive income in 2023 and 2022 are as follows:
| Pensions
(Millions of dollars) | 2023 |  | 2022
Current year net actuarial losses (gains)* | $ | 480 |  |  | $ | (1,259) |
Amortization of net actuarial gains (losses) | 29 |  |  | (75) |
Amortization of prior service credits (costs) | 1 |  |  | 1 |
Pension settlements | (16) |  |  | (6) |
Foreign currency translation and other changes | — |  |  | (90) |
Total recognized in other comprehensive income | $ | 494 |  |  | $ | (1,429) |
________________________ * Pension net actuarial losses in 2023 are largely driven by the decrease in the discount rate environment resulting in actuarial losses from a higher PBO, which is partially offset by favorable plan asset experience for non-U.S plans. The U.S. plan derived a benefit from the actual return on plan assets. In 2022, the actuarial gains were largely driven by the significant increase in the discount rate environment resulting in actuarial gains from a lower PBO, which is partially offset by unfavorable plan asset experience for both non-U.S. and U.S. plans.
Schedule of Pension Plans Where the Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets | The following table provides information for pension plans where the accumulated benefit obligation exceeds the fair value of plan assets:
(Millions of dollars) Year Ended December 31, | Pensions
2023 |  | 2022
U.S. |  | Non-U.S. |  | U.S. |  | Non-U.S.
Accumulated benefit obligation ("ABO") | $ | 1,952 |  |  | $ | 1,880 |  |  | $ | 1,895 |  |  | $ | 1,848 |
Fair value of plan assets | $ | 1,945 |  |  | $ | 1,385 |  |  | $ | 1,791 |  |  | $ | 1,472 |
Schedule of Pension Plans Where the Projected Benefit Obligation Exceeds the Fair Value of Plan Assets | The following table provides information for pension plans where the projected benefit obligation exceeds the fair value of plan assets:
(Millions of dollars) Year Ended December 31, | Pensions
2023 |  | 2022
U.S. |  | Non-U.S. |  | U.S. |  | Non-U.S.
Projected benefit obligation ("PBO") | $ | 2,012 |  |  | $ | 1,932 |  |  | $ | 1,948 |  |  | $ | 1,901 |
Fair value of plan assets | $ | 1,945 |  |  | $ | 1,390 |  |  | $ | 1,791 |  |  | $ | 1,478 |
Schedule of Pension and OPEB Plans Assumptions Used to Determine Benefit Obligations and the Net Benefit Cost Table | The assumptions used to determine benefit obligations are as of the respective balance sheet dates and the assumptions used to determine net benefit cost are as of the previous year-end, as shown below:
| Pensions
| U.S. |  | Non-U.S.
| 2023 |  | 2022 |  | 2023 |  | 2022
Weighted average assumptions used to determine benefit obligations at December 31, |  |  |  |  |  |  |
Discount rate | 5.03 | % |  | 5.35 | % |  | 4.27 | % |  | 4.58 | %
Interest crediting rate | 4.03 | % |  | 4.02 | % |  | 1.70 | % |  | 2.13 | %
Rate of increase in compensation levels | 3.50 | % |  | 3.25 | % |  | 2.58 | % |  | 2.59 | %
Weighted average assumptions used to determine net periodic benefit cost for years ended December 31, |  |  |  |  |  |  |
Discount rate | 5.35 | % |  | 2.78 | % |  | 4.58 | % |  | 1.82 | %
Interest crediting rate | 4.02 | % |  | 2.06 | % |  | 2.13 | % |  | 1.03 | %
Rate of increase in compensation levels | 3.25 | % |  | 3.25 | % |  | 2.59 | % |  | 2.55 | %
Expected long-term rate of return on plan assets (1) | 7.00 | % |  | 7.00 | % |  | 5.64 | % |  | 5.60 | %
(1) The expected long term rate of return on the U.S. and non-U.S. plan assets is estimated based on the plans' investment strategy and asset allocation, historical capital market performance and, to a lesser extent, historical plan per formance. For the U.S. plans, the expected rate of return of 7.00% was derived based on the target asset allocation of 50%-70% equity securities (approximately 8.40% expected return), 20%-50% fixed income securities (approximately 4.80% expected return) and 2%-8% alternative investments (approximately 3.40% expected return). For the non-U.S. plans, the expected rate of return was derived based on the weighted average target asset allocation of 15%-25% equity securities (approximately 7.20% expected return), 30%-50% fixed income securities (approximately 5.90% expected return), and 30%-50% alternative investments (approximately 5.80% expected return). For the U.S. plan assets, the actual annualized total return for the most recent 10-year period ended December 31, 2023 was approximately 6.60%. For the non-U.S. plan assets, the actual annualized total return for the same period was approximately 4.90%. Changes to plan asset allocations and investment strategy over this time period limit the value of historical plan performance as a factor in estimating the expected long term rate of return. For 2024, the expected long-term rate of return on plan assets will be 7.00% for the U.S. plans and 5.83%. for non-U.S. plans.
Schedule of Pension Plans Targeted Asset Allocation Range and Weighted-Average Asset Allocations | Weighted-average asset allocations at December 31, 2023 and 2022 for Linde’s U.S. and non-U.S. pension plans, as well as respective asset allocation ranges by major asset category, are generally as follows:
| U.S. |  | Non-U.S.
Asset Category | Target 2023 |  | Target 2022 |  | 2023 |  | 2022 |  | Target 2023 |  | Target 2022 |  | 2023 |  | 2022
Equity securities | 50% | - | 70% |  | 50% | - | 70% |  | 59% |  | 60% |  | 15% | - | 25% |  | 15% | - | 25% |  | 22% |  | 20%
Fixed income securities | 20% | - | 50% |  | 20% | - | 50% |  | 31% |  | 29% |  | 30% | - | 50% |  | 30% | - | 50% |  | 30% |  | 30%
Other | 2% | - | 8% |  | 2% | - | 8% |  | 10% |  | 11% |  | 30% | - | 50% |  | 30% | - | 50% |  | 48% |  | 50%
Schedule of Pension Plans Assets Measured at Fair Value by Asset Category Table | The following table summarizes pension assets measured at fair value by asset category at December 31, 2023 and 2022. Transfers of assets were not material for the year ended December 31, 2023 and 2022. See Note 13 for the definition of levels within the fair value hierarchy:
| Fair Value Measurements Using |  |  |  |
| Level 1 |  | Level 2 |  | Level 3 ** |  | Total
(Millions of dollars) | 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022
Cash and cash equivalents | $ | 368 |  |  | $ | 313 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 368 |  |  | $ | 313 |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Global equities | 926 |  |  | 778 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 926 |  |  | 778 |
Mutual funds | 298 |  |  | 248 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 298 |  |  | 248 |
Fixed income securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government bonds | — |  |  | — |  |  | 1,486 |  |  | 1,317 |  |  | — |  |  | — |  |  | 1,486 |  |  | 1,317 |
Emerging market debt | — |  |  | — |  |  | 283 |  |  | 245 |  |  | — |  |  | — |  |  | 283 |  |  | 245 |
Mutual funds | 119 |  |  | 101 |  |  | 60 |  |  | 55 |  |  | — |  |  | — |  |  | 179 |  |  | 156 |
Corporate bonds | — |  |  | — |  |  | 324 |  |  | 372 |  |  | — |  |  | — |  |  | 324 |  |  | 372 |
Bank loans | — |  |  | — |  |  | 27 |  |  | 18 |  |  | — |  |  | — |  |  | 27 |  |  | 18 |
Alternative investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate funds | — |  |  | — |  |  | — |  |  | — |  |  | 324 |  |  | 353 |  |  | 324 |  |  | 353 |
Private debt | — |  |  | — |  |  | — |  |  | — |  |  | 1,345 |  |  | 1,360 |  |  | 1,345 |  |  | 1,360 |
Insurance contracts | — |  |  | — |  |  | — |  |  | — |  |  | 51 |  |  | 46 |  |  | 51 |  |  | 46 |
Liquid alternative | — |  |  | — |  |  | 1,022 |  |  | 982 |  |  | — |  |  | — |  |  | 1,022 |  |  | 982 |
Other investments | 1 |  |  | 1 |  |  | 22 |  |  | 39 |  |  | — |  |  | — |  |  | 23 |  |  | 40 |
Total plan assets at fair value, December 31, | $ | 1,712 |  |  | $ | 1,441 |  |  | $ | 3,224 |  |  | $ | 3,028 |  |  | $ | 1,720 |  |  | $ | 1,759 |  |  | $ | 6,656 |  |  | $ | 6,228 |
Pooled funds * |  |  |  |  |  |  |  |  |  |  |  |  | 1,572 |  |  | 1,457 |
Total fair value plan assets December 31, |  |  |  |  |  |  |  |  |  |  |  |  | $ | 8,228 |  |  | $ | 7,685 |
* Pooled funds are measured using the net asset value ("NAV") as a practical expedient for fair value as permissible under the accounting standard for fair value measurements and have not been categorized in the fair value hierarchy.
Schedule of Pension Plans Changes in Fair Value of Assets Classified as Level 3 Table | ** The following table summarizes changes in fair value of the pension plan assets classified as level 3 for the periods ended December 31, 2023 and 2022:
(Millions of dollars) | Insurance Contracts |  | Real Estate Funds |  | Private Debt |  | Total
Balance, December 31, 2021 | $ | 12 |  |  | $ | 360 |  |  | $ | 1,368 |  |  | $ | 1,740 |
Gain/(Loss) for the period | — |  |  | 5 |  |  | 93 |  |  | 98 |
Purchases | 2 |  |  | 18 |  |  | 63 |  |  | 83 |
Sales | — |  |  | (22) |  |  | (34) |  |  | (56) |
Transfer into/ (out of) Level 3 | 33 |  |  | — |  |  | — |  |  | 33 |
Foreign currency translation | (1) |  |  | (8) |  |  | (130) |  |  | (139) |
Balance, December 31, 2022 | 46 |  |  | 353 |  |  | 1,360 |  |  | 1,759 |
Gain/(Loss) for the period | — |  |  | (27) |  |  | (38) |  |  | (65) |
Purchases | 1 |  |  | 3 |  |  | 1 |  |  | 5 |
Sales | — |  |  | (15) |  |  | (44) |  |  | (59) |
Transfer into / (out of) Level 3 | — |  |  | — |  |  | — |  |  | — |
Foreign currency translation | 4 |  |  | 10 |  |  | 66 |  |  | 80 |
Balance, December 31, 2023 | $ | 51 |  |  | $ | 324 |  |  | $ | 1,345 |  |  | $ | 1,720 |
Schedule of Pension and OPEB Estimated Future Benefit Payments, Net of Participant Contributions Table | The following table presents estimated future benefit payments, net of participant contributions:
(Millions of dollars) | Pensions
Year Ended December 31, | U.S. |  | Non-U.S.
2024 | $ | 203 |  |  | $ | 355 |
2025 | 166 |  |  | 341 |
2026 | 163 |  |  | 353 |
2027 | 166 |  |  | 359 |
2028 | 165 |  |  | 373 |
2029-2033 | 824 |  |  | 1,974 |

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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 -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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