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Related Party Disclosures (Tables)
6 Months Ended
Jun. 30, 2021
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions
Transactions with related parties were as follows:
Three Months Ended
June 30,
Six Months Ended
June 30,
 (in millions)2021202020212020
Revenue from related parties$$$$13 
Purchases from related parties$$$16 $16 
The Company's receivable and payable balances with related party entities were not material as of June 30, 2021 and December 31, 2020