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Accounts Receivable (Tables)
 12 Months Ended
Dec. 31, 2021
Receivables [Abstract]  
Schedule of Accounts Receivable Accounts Receivable

 

 

 

 

 

 

 

(In millions)

 

2021

 

 

2020

 

Accounts receivable

 

$

2,510

 

 

$

1,841

 

Allowance for doubtful accounts

 

 

(123

)

 

 

(150

)

 

 

$

2,387

 

 

$

1,691