Organizational Efficiency Plans (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended	12 Months Ended	3 Months Ended					12 Months Ended	3 Months Ended			12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2012 Organizational Efficiency Cost Reduction 2012 Plan [Member]	Dec. 31, 2013 Organizational Efficiency Cost Reduction 2013 Plan [Member]	Jun. 30, 2014 Employee Severance [Member]	Mar. 31, 2014 Employee Severance [Member]	Dec. 31, 2013 Employee Severance [Member]	Dec. 31, 2013 Employee Severance [Member]	Jun. 30, 2014 Facility Closing [Member]	Mar. 31, 2014 Facility Closing [Member]	Dec. 31, 2013 Facility Closing [Member]	Dec. 31, 2013 Facility Closing [Member]
Organizational Efficiency Plan Activity [Line Items]
Balance, January 1,		$ 81		$ 81	$ 71				$ 68		$ 67		$ 13		$ 4
Charge			60			77	60			47				13
Payments	8	12			50			7	11		46	1	1		4
Ending balance	61		81	61	81			50		68	68	11		13	13
Restructuring charge, net of tax						$ 50	$ 40
Caption that includes restructuring charges				Other operating expenses