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Description of Business | 6 Months Ended
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Jun. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Description of Business | Description of Business As used herein, "GATX," "we," "us," "our," and similar terms refer to GATX Corporation and its subsidiaries, unless indicated otherwise. We lease, operate, manage, and remarket long-lived, widely used assets, primarily in the rail market. We report our financial results through three primary business segments: Rail North America, Rail International, and Portfolio Management. Financial results for our tank container leasing business ("Trifleet Leasing") are reported in the Other segment. In the first quarter of 2023, we sold our rail business in Russia ("Rail Russia") within the Rail International segment. The net assets of Rail Russia had been reported as held for sale since the third quarter of 2022. See "Note 6. Asset Impairments and Assets Held for Sale" for further information. In the second quarter of 2023, we sold one of our liquefied gas-carrying vessels (the "Specialized Gas Vessels") within the Portfolio Management segment. We had previously sold one vessel in the first quarter of 2023 and two vessels in the third quarter of 2022. The one remaining vessel is classified as held for sale as of June 30, 2023. In the second quarter of 2023, GATX Engine Leasing ("GEL") acquired nine aircraft spare engines for approximately $239 million.

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- Definition The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 275 -Publisher FASB -URI https://asc.fasb.org//275/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -SubTopic 10 -Topic 275 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482861/275-10-50-1 + Details
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