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Business Combinations - Preliminary Allocation of Total Consideration to Fair Value of Assets and Liabilities of Quality Carriers (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Jun. 01, 2022 | Dec. 31, 2021
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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |
Goodwill | $ 377 |  | $ 276
Pan Am Systems, Inc. |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] |  |  |
Accounts Receivable |  | $ 23 |
Properties and Equipment |  | 536 |
Goodwill |  | 84 |
Investments in Affiliates |  | 86 |
Other Assets |  | 11 |
Total Assets Acquired |  | 740 |
Liabilities Assumed: |  |  |
Accounts Payable and Accrued Liabilities |  | 34 |
Deferred Tax Liability |  | 83 |
Other Long-term Liabilities |  | 22 |
Total Liabilities Assumed |  | 139 |
Fair Value of Assets Acquired, Net of Liabilities Assumed: |  | $ 601 |

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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4845-128472 + Details
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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI https://asc.fasb.org/extlink&oid=123455525&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4845-128472 + Details
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