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Retirement Plans (Schedule of Valuation of the Company's Pension Plan Assets by Pricing Categories) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 492	$ 485
(Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	31	42
(Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	404	378
(Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	57	65
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17	15
Cash and cash equivalents | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17	15
Cash and cash equivalents | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Cash and cash equivalents | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	133	150
Equity securities | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8	20
Equity securities | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	125	130
Equity securities | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	205	187
Debt securities | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2	2
Debt securities | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	203	185
Debt securities | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	137	133
Other | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4	5
Other | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	76	63
Other | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 57	$ 65

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- Definition

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+ References

No definition available.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480482/715-20-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(02)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
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-Section 50
-Paragraph 1
-Subparagraph (d)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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