STOCK-BASED EMPLOYEE COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2019

Share-based Payment Arrangement [Abstract]

Activity of unvested restricted stock units and performance share units

Restricted Stock Units and Performance Share Units

The following table summarizes the activity of restricted stock units and performance share units ("share-based awards") during the nine months ended September 30, 2019: 

Share-Based Awards	Shares		Weighted-average Grant Date Fair Value
Unvested at December 31, 2018	511,562			$	1,713
Granted	214,225			$	1,729
Vested	(206,561	)		$	1,462
Performance shares adjustment	1,266			$	1,682
Forfeited/Canceled	(36,335	)		$	1,797
Unvested at September 30, 2019	484,157			$	1,820

Schedule of share-based compensation, stock options, activity

Stock Options

All outstanding employee stock options were assumed in acquisitions. The following table summarizes the activity for stock options during the nine months ended September 30, 2019: 

Employee Stock Options	Number of Shares		Weighted-average Exercise Price			Aggregate  Intrinsic Value (in millions)			Weighted-average Remaining Contractual Term (in years)
Balance, December 31, 2018	27,263			$	387		$	36	2.8
Exercised	(2,536	)		$	397
Balance, September 30, 2019	24,727			$	386		$	39	2.0
Vested and exercisable at September 30, 2019	24,727			$	386		$	39	2.0