Shareowners' Equity and Noncontrolling Interest (Tables)

9 Months Ended

Sep. 30, 2015

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity [Table Text Block]

	Nine Months Ended September 30,
	2015									2014
(Dollars in millions)	Share-owners' Equity			Non-controlling Interest			Total Equity			Share-owners' Equity			Non-controlling Interest			Total Equity
Equity, beginning of period	$	31,213		$	1,351		$	32,564		$	31,866		$	1,353		$	33,219
Comprehensive income for the period:
Net income	4,330			281			4,611			4,747			301			5,048
Total other comprehensive loss	(727		)	(63		)	(790		)	(289		)	(34		)	(323		)
Total comprehensive income for the period	3,603			218			3,821			4,458			267			4,725
Common Stock issued - equity unit remarketing	1,100			—			1,100			—			—			—
Common Stock issued under employee plans	302			—			302			444			—			444
Common Stock repurchased	(4,000		)	—			(4,000		)	(1,095		)	—			(1,095		)
Dividends on Common Stock	(1,643		)	—			(1,643		)	(1,538		)	—			(1,538		)
Dividends on ESOP Common Stock	(56		)	—			(56		)	(53		)	—			(53		)
Dividends attributable to noncontrolling interest	—			(229		)	(229		)	—			(245		)	(245		)
Sale (purchase) of subsidiary shares from noncontrolling interest	12			10			22			(33		)	—			(33		)
Acquisition of noncontrolling interest	—			173			173			—			—			—
Disposition of noncontrolling interest	—			(3		)	(3		)	—			3			3
Redeemable noncontrolling interest	(3		)	6			3			—			(38		)	(38		)
Other	(3		)	—			(3		)	—			—			—
Equity, end of period	$	30,525		$	1,526		$	32,051		$	34,049		$	1,340		$	35,389

	Quarter Ended September 30,
	2015									2014
(Dollars in millions)	Share-owners' Equity			Non-controlling Interest			Total Equity			Share-owners' Equity			Non-controlling Interest			Total Equity
Equity, beginning of period	$	30,377		$	1,561		$	31,938		$	33,785		$	1,408		$	35,193
Comprehensive income for the period:
Net income	1,362			99			1,461			1,854			98			1,952
Total other comprehensive loss	(811		)	(23		)	(834		)	(766		)	(27		)	(793		)
Total comprehensive income for the period	551			76			627			1,088			71			1,159
Common Stock issued - equity unit remarketing	1,100			—			1,100			—			—			—
Common Stock issued under employee plans	65			—			65			154			—			154
Common Stock repurchased	(1,000		)	—			(1,000		)	(425		)	—			(425		)
Dividends on Common Stock	(547		)	—			(547		)	(512		)	—			(512		)
Dividends on ESOP Common Stock	(19		)	—			(19		)	(17		)	—			(17		)
Dividends attributable to noncontrolling interest	—			(113		)	(113		)	—			(145		)	(145		)
Sale (purchase) of subsidiary shares from noncontrolling interest	1			—			1			(24		)	6			(18		)
Redeemable noncontrolling interest	—			1			1			—			—			—
Other	(3		)	1			(2		)	—			—			—
Equity, end of period	$	30,525		$	1,526		$	32,051		$	34,049		$	1,340		$	35,389

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

A summary of the changes in each component of accumulated other comprehensive income (loss), net of tax for the quarters and nine months ended September 30, 2015 and 2014 is provided below:

(Dollars in millions)	Foreign Currency Translation			Defined Benefit Pension and Post- retirement Plans			Unrealized Gains (Losses) on Available-for-Sale Securities			Unrealized Hedging (Losses) Gains			Accumulated Other Comprehensive (Loss) Income
Quarter Ended September 30, 2015
Balance at June 30, 2015	$	(1,278	)	$	(5,405	)	$	330		$	(224	)	$	(6,577	)
Other comprehensive income (loss) before reclassifications, net	(913		)	73			(48		)	(111		)	(999		)
Amounts reclassified, pretax	—			216			(2		)	64			278
Tax (benefit) expense reclassified	—			(81		)	7			(16		)	(90		)
Balance at September 30, 2015	$	(2,191	)	$	(5,197	)	$	287		$	(287	)	$	(7,388	)
Nine Months Ended September 30, 2015
Balance at December 31, 2014	$	(1,051	)	$	(5,709	)	$	308		$	(209	)	$	(6,661	)
Other comprehensive (loss) income before reclassifications, net	(1,139		)	104			10			(194		)	(1,219		)
Amounts reclassified, pretax	(1		)	651			(56		)	164			758
Tax (benefit) expense reclassified	—			(243		)	25			(48		)	(266		)
Balance at September 30, 2015	$	(2,191	)	$	(5,197	)	$	287		$	(287	)	$	(7,388	)

(Dollars in millions)	Foreign Currency Translation			Defined Benefit Pension and Post- retirement Plans			Unrealized Gains (Losses) on Available-for-Sale Securities			Unrealized Hedging (Losses) Gains			Accumulated Other Comprehensive (Loss) Income
Quarter Ended September 30, 2014
Balance at June 30, 2014	$	495		$	(3,127	)	$	272		$	(43	)	$	(2,403	)
Other comprehensive income (loss) before reclassifications, net	(717		)	9			(37		)	(113		)	(858		)
Amounts reclassified, pretax	1			104			—			24			129
Tax benefit reclassified	—			(37		)	—			—			(37		)
Balance at September 30, 2014	$	(221	)	$	(3,051	)	$	235		$	(132	)	$	(3,169	)
Nine Months Ended September 30, 2014
Balance at December 31, 2013	$	170		$	(3,267	)	$	296		$	(79	)	$	(2,880	)
Other comprehensive income (loss) before reclassifications, net	(395		)	10			(43		)	(98		)	(526		)
Amounts reclassified, pretax	4			312			(30		)	55			341
Tax (benefit) expense reclassified	—			(106		)	12			(10		)	(104		)
Balance at September 30, 2014	$	(221	)	$	(3,051	)	$	235		$	(132	)	$	(3,169	)

Temporary Equity [Table Text Block]

	Quarter Ended September 30,						Nine Months Ended September 30,
(Dollars in millions)	2015			2014			2015			2014
Redeemable noncontrolling interest, beginning of period	$	134		$	146		$	140		$	111
Net income	3			—			7			7
Foreign currency translation	(4		)	(5		)	(13		)	(5		)
Dividends attributable to noncontrolling interest	—			—			(3		)	(3		)
Purchase of subsidiary shares from noncontrolling interest	(1		)	—			(2		)	—
Redeemable noncontrolling interest fair value adjustment	—			—			3			—
Redeemable noncontrolling interest reclassification to noncontrolling interest	—			—			—			31
Redeemable noncontrolling interest, end of period	$	132		$	141		$	132		$	141

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block]

	Quarter Ended September 30,					Nine Months Ended September 30,
(Dollars in millions)	2015		2014			2015			2014
Net income attributable to common shareowners	$	1,362	$	1,854		$	4,330		$	4,747
Transfers to noncontrolling interests:
Increase in common stock for sale of subsidiary shares	1		—			24			4
Decrease in common stock for purchase of subsidiary shares	—		(24		)	(12		)	(37		)
Net income attributable to common shareowners after transfers to noncontrolling interests	$	1,363	$	1,830		$	4,342		$	4,714