Revenue from Contracts with Customers

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Revenue from Contracts with Customers

4. REVENUE FROM CONTRACTS WITH CUSTOMERS

Disaggregation of Revenue

The tables below present our revenue disaggregated by major product category and reportable segment.

	Three Months Ended September 30, 2021
	Supply Chain Services		Software Services		Prescription Management		Eliminations		Total
North America	$	570	$	20	$	129	$	(22)	$	697
Europe	354		3		—		(4)		353
APAC & Emerging Markets	114		2		—		—		116
Eliminations	(4)		—		—		—		(4)
Total Net sales	$	1,034	$	25	$	129	$	(26)	$	1,162
	Three Months Ended September 30, 2020
	Supply Chain Services		Software Services		Prescription Management		Eliminations		Total
North America	$	512	$	20	$	104	$	(18)	$	618
Europe	404		2		—		(3)		403
APAC & Emerging Markets	106		2		—		—		108
Eliminations	(3)		—		—		—		(3)
Total Net sales	$	1,019	$	24	$	104	$	(21)	$	1,126
	Nine Months Ended September 30, 2021
	Supply Chain Services		Software Services		Prescription Management		Eliminations		Total
North America	$	1,682	$	60	$	372	$	(69)	$	2,045
Europe	1,086		8		—		(14)		1,080
APAC & Emerging Markets	335		7		—		—		342
Eliminations	(14)		—		—		—		(14)
Total Net sales	$	3,089	$	75	$	372	$	(83)	$	3,453
	Nine Months Ended September 30, 2020
	Supply Chain Services		Software Services		Prescription Management		Eliminations		Total
North America	$	1,469	$	60	$	298	$	(56)	$	1,771
Europe	1,169		6		—		(9)		1,166
APAC & Emerging Markets	282		6		—		—		288
Eliminations	(8)		—		—		—		(8)
Total Net sales	$	2,912	$	72	$	298	$	(65)	$	3,217

Contract Assets and Contract Liabilities

Contract asset balances as of September 30, 2021 and December 31, 2020 were not material. There have been no material changes in our current portion of contract liabilities since the end of fiscal year 2020, and the amounts related to non-current contract liabilities were not material as of September 30, 2021 and December 31, 2020. See Note 1 - Business Overview and Significant Accounting Policies and Note 5 - Revenue from Contracts with Customers of our Form 10-K.

Performance Obligations

Estimated future revenues expected to be generated from our long-term contracts with unsatisfied performance obligations as of September 30, 2021 were not material.