Realignment and Efficiency Plan (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2012
Pre Tax [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 77
After Tax [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	50
Health Care [Member] | Pre Tax [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	60
Health Care [Member] | After Tax [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	39
International [Member] | Pre Tax [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	14
International [Member] | After Tax [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	9
Disability And Life [Member] | Pre Tax [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	3
Disability And Life [Member] | After Tax [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 2