Segment Information (Tables)

9 Months Ended

Sep. 30, 2016

Segment Reporting [Abstract]

Operating segment information

	Health Plans		Molina Medicaid Solutions		Other		Consolidated
	(In millions)
Three Months Ended September 30, 2016
Total revenue (1)	$	4,412	$	48	$	86	$	4,546
Gross margin	443		6		8		457
Nine Months Ended September 30, 2016
Total revenue (1)	$	12,835	$	146	$	267	$	13,248
Gross margin	1,285		17		29		1,331
Three Months Ended September 30, 2015
Total revenue (1)	$	3,562	$	47	$	2	$	3,611
Gross margin	361		13		—		374
Nine Months Ended September 30, 2015
Total revenue (1)	$	10,155	$	146	$	6	$	10,307
Gross margin	1,071		43		—		1,114
Total Assets
September 30, 2016	$	5,891	$	267	$	1,412	$	7,570
December 31, 2015	4,707		213		1,656		6,576

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(1) Total revenue consists primarily of premium revenue for the Health Plans segment, and service revenue for the Molina Medicaid Solutions and Other segments.

The following table reconciles gross margin by segment to consolidated income before income tax expense:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
	(In millions)
Gross margin:
Health Plans	$	443		$	361		$	1,285		$	1,071
Molina Medicaid Solutions	6			13			17			43
Other	8			—			29			—
Total gross margin	457			374			1,331			1,114
Add: other operating revenues (1)	222			187			625			509
Less: other operating expenses (2)	(561		)	(448		)	(1,644		)	(1,312		)
Operating income	118			113			312			311
Other expenses, net	(26		)	(15		)	(76		)	(45		)
Income before income tax expense	$	92		$	98		$	236		$	266

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(1) Other operating revenues include premium tax revenue, health insurer fee revenue, investment income and other revenue.

(2) Other operating expenses include general and administrative expenses, premium tax expenses, health insurer fee expenses and depreciation and amortization.