Income Taxes (Tables)

6 Months Ended

Jun. 30, 2013

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The table below reconciles the U.S. statutory rate to the Company’s effective tax rate for each period presented (in millions of dollars):

	Three Months Ended June 30,
	2013					2012
Income tax expense at federal statutory rate	$	36		35.0	%	$	27		35.0	%
REIT income not subject to tax	(15		)	(14.3	)	(6		)	(8.7	)
Income tax expense before discrete items	21			20.7	%	21			26.3	%
Exchange of AFMC for CBPC	—			—		(9		)	(10.9	)
Other	(6		)	(5.9	)	—			—
Income tax expense as reported	$	15		14.8	%	$	12		15.4	%

	Six Months Ended June 30,
	2013					2012
Income tax expense at federal statutory rate	$	74		35.0	%	$	52		35.0	%
REIT income not subject to tax	(26		)	(12.4	)	(12		)	(8.1	)
Other	(2		)	(0.7	)	(1		)	(0.5	)
Income tax expense before discrete items	46			21.9	%	39			26.4	%
Exchange of AFMC for CBPC	(19		)	(8.9	)	(9		)	(6.0	)
Gain related to consolidation of New Zealand joint venture	(5		)	(2.7	)	—			—
Other	(2		)	(1.0	)	—			—
Income tax expense as reported	$	20		9.3	%	$	30		20.4	%