FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes financial instruments that are measured at fair value on a recurring basis.

			Basis of fair value measurement
(in millions)	Balance as of December 31, 2019		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Assets
Foreign exchange contracts	$	11	$	—	$	11	$	—
Interest rate contracts	10		—		10		—
Marketable equity securities	3		3		—		—
Total	$	24	$	3	$	21	$	—
Liabilities
Foreign exchange contracts	$	2	$	—	$	2	$	—
Interest rate contracts	52		—		52		—
Contingent payments related to acquisitions	39		—		—		39
Total	$	93	$	—	$	54	$	39

	As Restated
			Basis of fair value measurement
(in millions)	Balance as of December 31, 2018		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Assets
Foreign exchange contracts	$	25	$	—	$	25	$	—
Marketable equity securities	3		3		—		—
Total	$	28	$	3	$	25	$	—
Liabilities
Foreign exchange contracts	$	3	$	—	$	3	$	—
Interest rate contracts	3		—		3		—
Contingent payments related to acquisitions	32		—		—		32
Total	$	38	$	—	$	6	$	32

Reconciliation of Fair Value Measurements that Use Significant Unobservable Inputs

The following table is a reconciliation of our recurring

fair value measurements that use significant unobservable inputs (Level 3), which consist of contingent payments related to acquisitions.

as of and for the years ended December 31 (in millions)	2019		2018
Fair value at beginning of period	$	32	$	9
Additions	18		24
Change in fair value recognized in earnings	(4)		—
Payments	(7)		(1)
Fair value at end of period	$	39	$	32

Book Values and Fair Values of Financial Instruments

For these financial instruments, the following table provides the values recognized in the consolidated balance sheets and the estimated fair values.

	Book values				Fair values(a)
			As Restated				As Restated
as of December 31 (in millions)	2019		2018		2019		2018
Liabilities
Short-term debt	$	226	$	2	$	226	$	2
Current maturities of long-term debt and finance lease obligations	315		2		315		2
Long-term debt and finance lease obligations	4,809		3,481		5,156		3,469

(a) These fair value amounts are classified as Level 2 within the fair value hierarchy as they are estimated based on observable inputs.