Stock Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2014

Stock Compensation Plans [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

As of September 30, 2014, the Company’s primary types of stock-based compensation were restricted stock and stock options. Stock-based compensation expense for the following periods was:

In millions	Three months ended September 30		Nine months ended September 30
	2014	2013	2014	2013
Restricted stock	$7	$12	$26	$33
Stock options	—	—	—	1
Total stock-based compensation (pre-tax)	7	12	26	34
Tax benefit	(2)	(4)	(8)	(11)
Total stock-based compensation (net of tax)	$5	$8	$18	$23