Receivables (Tables)

12 Months Ended

Dec. 31, 2019

Receivables [Abstract]

Summary of accounts receivable

	December 31,
	2019		2018
	(In millions)
Government receivables	$	1,056	$	872
Pharmacy rebate receivables	150		146
Health insurer fee reimbursement receivables	5		141
Other	195		171
Total	$	1,406	$	1,330