Preferred and Common Stock (Tables)

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

Schedule of Share Activity

Share Activity (number of shares)

	Common stock
	Treasury			Outstanding
Balance at end of 2012		110,694,604			1,067,211,953
Conversion of convertible notes		-			310
Issued for stock-based compensation plans		(3,798,899	)		3,798,899
Balance at end of 2013		106,895,705			1,071,011,162
Conversion of convertible notes		-			89,383,953
Private placement		-			36,523,010
Issued for stock-based compensation plans		(19,745,536	)		19,745,536
Balance at end of 2014		87,150,169			1,216,663,661
Acquisition of RTI		-			87,397,414
Issued for stock-based compensation plans		(6,099,066	)		6,099,066
Balance at end of 2015		81,051,103			1,310,160,141

Schedule of Activity for Stock Options and Stock Awards

The activity for stock options and stock awards during 2015 was as follows (options and awards in millions):

	Stock options					Stock awards
	Number of options			Weighted average exercise price		Number of awards			Weighted average FMV per award
Outstanding, January 1, 2015		32			11.26		19			9.98
Granted		3			15.55		7			14.85
Assumed at Acquisition		2			11.24		1			9.96
Exercised		(3	)		8.95		-			-
Converted		-			-		(5	)		10.08
Expired or forfeited		(1	)		13.39		(1	)		11.64
Performance share adjustment		-			-		(1	)		10.96
Outstanding, December 31, 2015		33			11.91		20			11.38