Pension and Postretirement Expense Level 4 (Details) - Components of net pension and postretirement expense benefit (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Pension Benefits - U.S. Plans [Member]
Pension Benefits and Non-Pension Postretirement Benefits Disclosures Table Text Block [Line Items]
Service cost	$ 0	$ 0	$ 1	$ 1
Interest cost on projected benefit obligation	4	2	6	5
Expected return on assets	(4)	(3)	(8)	(7)
Recognized actuarial loss	2	3	4	5
Net expense (benefit)	2	2	3	4
Pension Benefits - Non-U.S. Plans [Member]
Pension Benefits and Non-Pension Postretirement Benefits Disclosures Table Text Block [Line Items]
Service cost	4	4	8	8
Interest cost on projected benefit obligation	4	5	8	9
Expected return on assets	(3)	(4)	(7)	(6)
Recognized actuarial loss	1	2	2	4
Net expense (benefit)	6	7	11	15
Non-Pension Postretirement Benefits - U.S. Plans [Member]
Pension Benefits and Non-Pension Postretirement Benefits Disclosures Table Text Block [Line Items]
Service cost	0	0	0	0
Interest cost on projected benefit obligation	0	0	0	0
Expected return on assets	0	0	0	0
Recognized actuarial loss	0	0	0	0
Net expense (benefit)	0	0	0	0
Non-Pension Postretirement Benefits - Non-U.S. Plans [Member]
Pension Benefits and Non-Pension Postretirement Benefits Disclosures Table Text Block [Line Items]
Service cost	0	0	0	0
Interest cost on projected benefit obligation	1	0	1	0
Expected return on assets	0	0	0	0
Amortization of prior service cost (benefit)		1		1
Recognized actuarial loss	0	0	0	0
Net expense (benefit)	$ 1	$ 1	$ 1	$ 1