Employee Benefits (Expected Benefit Payments) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012
Primary U.S. And Non-U.S. Defined Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	$ 33
2014	34
2015	36
2016	37
2017	27
2018-2021	183
Non-Qualified SERPs [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	15
2014	14
2015	15
2016	14
2017	13
2018-2021	59
Post-Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	8
2014	8
2015	8
2016	8
2017	8
2018-2021	$ 43