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Intangible Assets (Details)
$ in Millions
6 Months Ended
Jun. 30, 2022
USD ($)
Licenses  
Balance, beginning of period $ 4,088
Acquisitions 587
Impairment (3)
Transferred to Assets held for sale 1
Exchanges - Licenses received 1
Capitalized interest 3
Balance, end of period $ 4,677