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v3.25.2

Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Billions | Jul. 31, 2025 | Jun. 30, 2025 | Dec. 31, 2024
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Subsequent Event [Line Items] |  |  |
Common stock, par or stated value per share (in dollars per share) |  | $ 1.00 | $ 1.00
Subsequent Event | Forecast |  |  |
Subsequent Event [Line Items] |  |  |
Common stock, par or stated value per share (in dollars per share) | $ 1.00 |  |
Subsequent Event | Union Pacific Merger |  |  |
Subsequent Event [Line Items] |  |  |
Specified termination fee | $ 2.5 |  |
Union Pacific | Subsequent Event | Union Pacific Merger | Forecast |  |  |
Subsequent Event [Line Items] |  |  |
Common stock, par or stated value per share (in dollars per share) | $ 2.50 |  |
Business Combination, Consideration Transferred, Equity Interests Issued And Issuable, Entity Shares Issued Per Acquiree Share | 1 |  |
Business Combination, Consideration Transferred, Equity Interests Issued And Issuable, Cash Paid Per Acquiree Share | $ 88.82 |  |

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- Definition Business Combination, Consideration Transferred, Equity Interests Issued And Issuable, Entity Shares Issued Per Acquiree Share + References No definition available. + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
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