Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Income Tax Expense (Benefit)

Income Tax Expense (Benefit)

	For the years ended December 31,
	2017		2016			2015
Income Tax Expense (Benefit)
Current - U.S. Federal	$	116	$	10		$	(91	)
International	1		—			3
Total current	117		10			(88		)
Deferred - U.S. Federal	866		(173		)	377
International	2		(3		)	—
Total deferred	868		(176		)	377
Total income tax expense (benefit)	$	985	$	(166	)	$	289

Deferred Tax Assets (Liabilities)

Deferred Tax Assets (Liabilities)

	As of December 31,
	2017			2016
Deferred Tax Assets
Loss reserves and tax discount	$	104		$	262
Unearned premium reserve and other underwriting related reserves	352			384
Investment-related items	194			458
Employee benefits	313			508
Alternative minimum tax credit [1]	—			640
General business credit carryover	3			99
Net operating loss carryover	710			1,458
Foreign tax credit carryover	26			56
Other	1			—
Total Deferred Tax Assets	1,703			3,865
Deferred Tax Liabilities
Deferred acquisition costs	(103		)	(176		)
Net unrealized gains on investments	(306		)	(348		)
Other depreciable and amortizable assets	(130		)	(243		)
Other	—			(99		)
Total Deferred Tax Liabilities	(539		)	(866		)
Net Deferred Tax Asset	$	1,164		$	2,999

[1]As of December 31, 2017, alternative minimum tax credits of $790 have been reclassified as a current tax receivable. See further discussion below.

Future Tax Benefits

Future Tax Benefits

	As of
	December 31, 2017				Expiration
	Carryover amount		Expected tax benefit, gross		Dates			Amount
Net operating loss carryover - U.S.	$	3,380	$	710	2020			$	1
					2023	-	2036	$	3,379
Net operating loss carryover - foreign	$	3	$	—	No expiration			$	3
Foreign tax credit carryover	$	26	$	26	2023	-	2024	$	26
Alternative minimum tax credit carryover	$	790	$	790	No expiration			$	—
General business credit carryover	$	3	$	3	2031	-	2037	$	3

Income Tax Rate Reconciliation

Income Tax Rate Reconciliation

	For the years ended December 31,
	2017			2016			2015
Tax provision at U.S. federal statutory rate	$	253		$	157		$	517
Tax-exempt interest	(123		)	(124		)	(132		)
Decrease in deferred tax valuation allowance	—			(79		)	(102		)
Stock-based compensation	(15		)	—			—
Solar credits	—			(79		)	—
Sale of HFPI and foreign rate differential	5			(37		)	—
Tax Reform	877			—			—
Other	(12		)	(4		)	6
Provision (benefit) for income taxes	$	985		$	(166	)	$	289

Roll-forward of Unrecognized Tax Benefits

Roll-forward of Unrecognized Tax Benefits

	For the years ended December 31,
	2017			2016		2015
Balance, beginning of period	$	12		$	12	$	48
Gross increases - tax positions in prior period	3			—		12
Gross decreases - tax positions in prior period	—			—		(48		)
Gross decreases - tax reform	(6		)	—		—
Balance, end of period	$	9		$	12	$	12