v3.25.4
Retirement Benefits (Tables)
 12 Months Ended
Dec. 31, 2025
Retirement Benefits [Abstract]  
Schedule of Changes in Accumulated Postemployment Benefit Obligations
We use a measurement date of December 31 to determine the change in benefit obligation, change in plan assets, funded status, and amounts recognized in the consolidated balance sheets at December 31 for our defined benefit pension and retiree health benefit plans, which were as follows:
 Defined Benefit
Pension Plans		Retiree Health
Benefit Plans
2025202420252024
Change in benefit obligation:
Benefit obligation at beginning of year$13,415 $14,258 $1,223 $1,310 
Service cost324 339 33 35 
Interest cost697 662 64 62 
Actuarial (gain) loss232 (1,084)33 (97)
Benefits paid(661)(634)(88)(82)
Foreign currency exchange rate changes and other adjustments255 (125)9 (6)
Benefit obligation at end of year14,262 13,415 1,274 1,223 
Change in plan assets:
Fair value of plan assets at beginning of year13,658 13,709 2,566 2,580 
Actual return on plan assets1,456 583 283 59 
Employer contribution119 115 14 9 
Benefits paid(661)(634)(88)(82)
Foreign currency exchange rate changes and other adjustments248 (115)— — 
Fair value of plan assets at end of year14,820 13,658 2,775 2,566 
Funded status558 243 1,501 1,343 
Unrecognized net actuarial loss2,499 2,663 87 149 
Unrecognized prior service (benefit) cost2 4 (4)(4)
Net amount recognized$3,059 $2,910 $1,584 $1,489 
Amounts recognized in the consolidated balance sheets consisted of:
Other noncurrent assets$1,857 $1,482 $1,656 $1,485 
Other current liabilities(73)(71)(9)(8)
Other noncurrent liabilities(1,226)(1,167)(146)(133)
Accumulated other comprehensive loss
2,501 2,667 83 146 
Net amount recognized$3,059 $2,910 $1,584 $1,489 
Schedule of Assumptions Used
The following represents our weighted-average assumptions:
 Defined Benefit
Pension Plans		Retiree Health
Benefit Plans
202520242023202520242023
Weighted-average assumptions used to determine net periodic benefit costs:
Discount rate
5.5 %4.8 %5.1 %5.7 %5.0 %5.2 %
Rate of compensation increase
4.0 4.3 4.3 
Expected return on plan assets
7.9 8.1 8.1 7.0 7.3 7.3 
Weighted-average assumptions used to determine benefit obligation as of December 31:
Discount rate
5.5 5.5 4.8 5.5 5.7 5.0 
Rate of compensation increase
4.0 4.0 4.3 
Schedule of Expected Benefit Payments
Expected benefit payments, which reflect expected future service, are as follows:
202620272028202920302031 - 2035
Defined benefit pension plans$720 $746 $770 $803 $838 $4,711 
Retiree health benefit plans95 96 96 97 97 488 
Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets
Amounts relating to defined benefit pension plans with projected benefit obligations in excess of plan assets were as follows at December 31:
 20252024
Projected benefit obligation$2,360 $2,297 
Fair value of plan assets1,061 1,058 
Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets
Amounts relating to defined benefit pension plans and retiree health benefit plans with accumulated benefit obligations in excess of plan assets were as follows at December 31:
Defined Benefit
Pension Plans		Retiree Health
Benefit Plans
 2025202420252024
Accumulated benefit obligation$1,810 $1,656 $155 $142 
Fair value of plan assets702 595 — — 
Schedule of Net Periodic (Benefit) Costs
Net periodic (benefit) cost included the following components:
 Defined Benefit
Pension Plans		Retiree Health
Benefit Plans
202520242023202520242023
Components of net periodic (benefit) cost:
Service cost$324 $339 $290 $33 $35 $32 
Interest cost697 662 648 64 62 61 
Expected return on plan assets(1,086)(1,112)(1,055)(185)(192)(182)
Amortization of prior service (benefit) cost2 2 2 — (6)(53)
Recognized actuarial (gain) loss76 125 122 (4)(3)(6)
Net periodic (benefit) cost$13 $15 $8 $(92)$(103)$(148)
Schedule of Amounts Recognized in Other Comprehensive Income (Loss)
The following represents the amounts recognized in other comprehensive income (loss) for the years ended December 31:
Defined Benefit
Pension Plans		Retiree Health
Benefit Plans
202520242023202520242023
Actuarial gain (loss) arising during period$138 $555 $(764)$65 $(37)$(50)
Amortization of net actuarial (gain) loss included in net income76 125 122 (4)(3)(6)
Foreign currency exchange rate changes and other(48)18 (27)1 (6)(52)
Total other comprehensive income (loss) during period$166 $697 $(669)$62 $(46)$(108)
Schedule of Allocation of Plan Assets
The fair values of our defined benefit pension plan assets by asset category were as follows:
  Fair Value Measurements Using
TotalQuoted Prices in Active Markets for
Identical Assets
(Level 1)		Significant
Observable 
Inputs
(Level 2)		Significant
Unobservable Inputs
(Level 3)
Investments Valued at Net Asset Value(1)
As of December 31, 2025
Public equity securities$4,277 $1,179 $403 $— $2,695 
Fixed-income investments
2,083 55 1,517 — 511 
Hedge funds3,240 — — — 3,240 
Private equity-like investments
3,927 — — 6 3,921 
Real estate460 312 — — 148 
Other assets
833 49 103 — 681 
Total$14,820 $1,595 $2,023 $6 $11,196 
As of December 31, 2024
Public equity securities$3,423 $1,056 $337 $— $2,030 
Fixed-income investments
2,023 42 1,556 — 425 
Hedge funds3,058 — — — 3,058 
Private equity-like investments
3,931 — — 9 3,922 
Real estate451 301 — — 150 
Other assets
773 10 26 — 737 
Total$13,658 $1,409 $1,919 $9 $10,321 
(1) Certain investments that are measured at fair value using the NAV per share (or its equivalent) as a practical expedient have not been classified in the fair value hierarchy.
The fair values of our retiree health plan assets by asset category were as follows:
  Fair Value Measurements Using
TotalQuoted Prices in Active Markets for Identical Assets
(Level 1)		Significant Observable Inputs
(Level 2)		Significant Unobservable Inputs
(Level 3)
Investments Valued at Net Asset Value(1)
As of December 31, 2025
Public equity securities$383 $114 $— $— $269 
Fixed-income investments
77 — 46 — 31 
Hedge funds314 — — — 314 
Private equity-like investments
363 — — 1 362 
Cash value of trust owned insurance contract1,529 — 1,529 — — 
Real estate30 30 — — — 
Other assets
79 12 2 — 65 
Total$2,775 $156 $1,577 $1 $1,041 
As of December 31, 2024
Public equity securities$288 $98 $— $— $190 
Fixed-income investments
89 — 63 — 26 
Hedge funds285 — — — 285 
Private equity-like investments
346 — — 1 345 
Cash value of trust owned insurance contract1,465 — 1,465 — — 
Real estate28 28 — — — 
Other assets
64 4 (7)— 68 
Total$2,566 $130 $1,521 $1 $914 
(1) Certain investments that are measured at fair value using the NAV per share (or its equivalent) as a practical expedient have not been classified in the fair value hierarchy.