Note 5 - Supplemental Balance Sheet and Cash Flow Information (Details Textual) - USD ($) $ in Millions		3 Months Ended
Jan. 20, 2026	Mar. 31, 2026	Dec. 31, 2025
Supplier Finance Program, Obligation, Current		$ 44	$ 59
Payments to Noncontrolling Interests		$ 190
Dana TM4 Inc., Dana TM4 Electric Holdings BV and Dana TM4 USA, LLC [Member]
Noncontrolling Interest, Change in Redemption Value			$ (190)
Payments to Noncontrolling Interests	$ 190
Dana TM4 Inc., Dana TM4 Electric Holdings BV and Dana TM4 USA, LLC [Member] \| Hydro-Québec [Member]
Subsidiary, Ownership Percentage, Noncontrolling Owner		45.00%

Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

No definition available.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

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- Definition

Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

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- Definition

Amount of obligation for supplier finance program, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479468/405-50-50-4

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