Employee Benefit Plans (Reconciliation of Projected Benefit Obligations and Plan Assets) (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended
	Apr. 30, 2012	Dec. 31, 2013 United States Pension Plans of U S Entity Defined Benefit [Member]	Dec. 31, 2012 United States Pension Plans of U S Entity Defined Benefit [Member]	Dec. 31, 2011 United States Pension Plans of U S Entity Defined Benefit [Member]	Dec. 31, 2013 Foreign Pension Plans Defined Benefit [Member]	Dec. 31, 2012 Foreign Pension Plans Defined Benefit [Member]	Dec. 31, 2011 Foreign Pension Plans Defined Benefit [Member]	Dec. 31, 2013 Other Postretirement Benefit Plans Defined Benefit [Member]	Dec. 31, 2012 Other Postretirement Benefit Plans Defined Benefit [Member]	Dec. 31, 2011 Other Postretirement Benefit Plans Defined Benefit [Member]
Change in Benefit Obligation
Benefit obligation, beginning balance		$ 2,624	$ 0		$ 757	$ 237		$ 191	$ 0
Service cost		125	82	0	36	22	5	8	4	0
Interest cost		91	65	0	31	25	13	7	5	0
Plan participant contributions		0	0		4	2		0	0
Plan amendments		0	0		0	0		0	(18)
Actuarial loss		(194)	90		1	83		(14)	2
Benefits paid		(173)	(78)		(15)	(12)		(3)	(1)
Liabilities assumed from Separation	3,060	0	2,465		0	396		0	199
Foreign currency exchange rate change		0	0		26	4		0	0
Benefit obligation, ending balance		2,473	2,624	0	840	757	237	189	191	0
Accumulated benefit obligation portion of above at December 31		2,151	2,265		627	563
Change in Fair Value of Plan Assets
Fair value of plan assets, beginning balance		1,762	0		527	120		0	0
Actual return on plan assets		283	91		60	35		0	0
Company contributions		136	37		50	36		3	1
Plan participant contributions		0	0		4	2		0	0
Benefits paid		(173)	(78)		(15)	(12)		(3)	(1)
Assets received from Separation	2,056	0	1,712		0	344		0	0
Foreign currency exchange rate change		0	0		19	2		0	0
Fair value of plan assets, ending balance		2,008	1,762	0	645	527	120	0	0	0
Funded Status at December 31		$ (465)	$ (862)		$ (195)	$ (230)		$ (189)	$ (191)