Stock Plans (Tables)

12 Months Ended

Dec. 31, 2016

Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]

Activity for Restricted Stock and Deferred Stock Awards

During 2016, the activity for RSU awards was as follows:

	Number of Shares		Weighted- Average Grant Date Fair Value Per Share
Balance at January 1, 2016	5,702,000		$	82.92
Granted	1,212,600		89.03
Vested	(2,302,525	)	87.81
Forfeited	(111,085	)	82.38
Balance at December 31, 2016	4,500,990		$	82.08

Schedule of weighted average grant date fair value and compensation expense related to RSU awards

During the years ended December 31, 2016, 2015 and 2014, the weighted-average grant date fair value of the RSU awards granted to PMI employees and the recorded compensation expense related to RSU awards were as follows:

(in millions, except per RSU award granted)	Total Weighted-Average Grant Date Fair Value of RSU Awards Granted		Weighted-Average Grant Date Fair Value Per RSU Award Granted		Compensation Expense related to RSU Awards
2016	$	108	$	89.03	$	126
2015	$	126	$	82.28	$	166
2014	$	189	$	77.79	$	210

Schedule of share and fair value information for RSU awards that vested

During the years ended December 31, 2016, 2015 and 2014, share and fair value information for PMI RSU awards that vested were as follows:

(dollars in millions)	Shares of RSU Awards that Vested	Grant Date Fair Value of Vested Shares of RSU Awards		Total Fair Value of RSU Awards that Vested
2016	2,302,525	$	202	$	210
2015	2,711,974	$	217	$	224
2014	3,974,560	$	255	$	320

Activity for Performance Share Unit Awards

During 2016, the activity for PSU awards was as follows:

	Number of Shares		Grant Date  Fair Value Subject to TSR Performance Factor Per Share		Grant Date  Fair Value Subject to Other Performance Factors Per Share
Balance at January 1, 2016	—		$	—	$	—
Granted	428,400		104.60		89.02
Vested	—		—		—
Forfeited	(830	)	104.60		89.02
Balance at December 31, 2016	427,570		$	104.60	$	89.02