Stock-Based Compensation

9 Months Ended

Sep. 30, 2018

Stock-Based Compensation

Stock-Based Compensation

Note 7 – Stock-Based Compensation

A summary of stock-based compensation for each of the respective periods is as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
In millions	2018		2017		2018		2017
Stock-based compensation:
Stock options	$	14	$	15	$	39	$	49
Restricted stock units and performance share units		48		50		133		124
Total stock-based compensation	$	62	$	65	$	172	$	173