XML 41 R31.htm IDEA: XBRL DOCUMENT
v3.25.3

Retirement Plans (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Retirement Benefits [Abstract] |
Schedule of Net Periodic Pension Benefit/Cost | The components of our net periodic pension benefit/cost were as follows:
| Three months ended September 30, |  | Nine months ended September 30,
Millions | 2025 | 2024 |  | 2025 | 2024
Service cost | $ | 9 |  | $ | 12 |  |  | $ | 31 |  | $ | 39 |
Interest cost | 45 |  | 47 |  |  | 135 |  | 139 |
Expected return on plan assets | (60) |  | (63) |  |  | (181) |  | (189) |
Amortization of actuarial loss | 2 |  | 4 |  |  | 6 |  | 8 |
Net periodic pension (benefit)/cost | $ | (4) |  | $ | - |  |  | $ | (9) |  | $ | (3) |

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (q) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: 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
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration