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
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