Basis of Presentation and Significant Accounting Policies and Practices (Tables)

12 Months Ended

Dec. 31, 2016

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Schedule of Earnings per Share, Basic and Diluted

Computation and reconciliation of earnings per common share are as follows (shares in millions):

	For Years Ended December 31,
	2016							2015							2014
	Net							Net							Net
	Income			Shares		EPS		Income			Shares		EPS		Income			Shares		EPS
Basic EPS:
Net income	$	3,595						$	2,986						$	2,821
Income allocated to RSUs		(45	)						(43	)						(44	)
Income allocated to common stock for basic EPS calculation	$	3,550			1,003	$	3.54	$	2,943			1,030	$	2.86	$	2,777			1,065	$	2.61
Adjustment for dilutive shares:
Stock compensation plans					18							13							15
Diluted EPS:
Net income	$	3,595						$	2,986						$	2,821
Income allocated to RSUs		(44	)						(42	)						(43	)
Income allocated to common stock for diluted EPS calculation	$	3,551			1,021	$	3.48	$	2,944			1,043	$	2.82	$	2,778			1,080	$	2.57

Effects of Adoption of New Standard

The effects of our adoption of the new standard on our unaudited quarterly results for 2016 are as follows:

	Quarter
	1st						2nd						3rd
	Reported			Recast			Reported			Recast			Reported			Recast
Income statement data:
Provision for income taxes	$	282		$	239		$	323		$	283		$	413		$	363
Net income		668			711			779			819			968			1,018
Average diluted shares outstanding, in millions		1,018			1,022			1,016			1,020			1,017			1,023
Basic EPS	$	0.65		$	0.70		$	0.77		$	0.81		$	0.95		$	1.00
Diluted EPS	$	0.65		$	0.69		$	0.76		$	0.79		$	0.94		$	0.98
Cash flow data:
Cash flows from operating activities	$	547		$	653		$	1,069		$	1,109		$	1,413		$	1,465
Cash flows from financing activities		(839	)		(945	)		(1,180	)		(1,220	)		(676	)		(728	)

Certain annual cash flow information has also been adjusted to reflect select aspects of the new standard that are applied retrospectively. The impact to our previously reported annual results is as follows:

	For Years Ended December 31,
	2015						2014
	Reported			Recast			Reported			Recast
Cash flows from operating activities	$	4,268		$	4,397		$	3,892		$	4,054
Cash flows from financing activities		(4,165	)		(4,294	)		(3,943	)		(4,105	)