Note 10. Income Taxes Income Tax Provision (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 8	$ 5	$ 4
State	3	1	0
Foreign	3	4	3
Current Income Tax Expense (Benefit)	14	10	7
Deferred:
Federal	91	76	(241)
State	4	1	(8)
Foreign	1	0	0
Deferred Income Tax Expense (Benefit)	96	77	(249)
Income tax expense (benefit)	$ 110	$ 87	$ (242)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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