Restructuring - Summary of Activity Related to Restructuring Liability (Details) - Cost Alignment Plan - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2016	Mar. 31, 2016
Restructuring Reserve [Roll Forward]
Balance March 31, 2016	$ 222
Net restructuring charges recognized	9	$ 229
Non-cash charges	(8)
Cash Payments	(45)
Other	(2)
Balance June 30, 2016	176	222
Other Accrued Liabilities
Restructuring Reserve [Roll Forward]
Balance June 30, 2016	130
Noncurrent Liabilities
Restructuring Reserve [Roll Forward]
Balance June 30, 2016	46
Corporate
Restructuring Reserve [Roll Forward]
Balance March 31, 2016	21
Net restructuring charges recognized	0
Non-cash charges	0
Cash Payments	(9)
Other	0
Balance June 30, 2016	12	21
Distribution Solutions
Restructuring Reserve [Roll Forward]
Balance March 31, 2016	156
Net restructuring charges recognized	10
Non-cash charges	(8)
Cash Payments	(28)
Other	(2)
Balance June 30, 2016	128	156
Technology Solutions
Restructuring Reserve [Roll Forward]
Balance March 31, 2016	45
Net restructuring charges recognized	(1)
Non-cash charges	0
Cash Payments	(8)
Other	0
Balance June 30, 2016	$ 36	$ 45