Weighted Average Shares Outstanding (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average shares outstanding - basic	1,357.4	1,341.3	1,353.9	1,337.5
Weighted Average Number Diluted Shares Outstanding Adjustment	0.0	20.5	0.0	22.2
Weighted average shares outstanding - assuming dilution	1,357.4	1,361.8	1,353.9	1,359.7
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		17.7	18.6
Stock Issued During Period, Shares, New Issues	4.0	2.0	12.0	15.0
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		3.0		3.0