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STOCK-BASED COMPENSATION PLANS (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] The table below summarizes the components of total stock-based compensation (in millions):
202120202019
Stock options$5 $4 $3 
Stock awards20 14 21 
Deferred stock awards1 1 1 
Employee stock purchase plan18 15 11 
Stock-based compensation$44 $34 $36 
Tax benefit related to stock-based compensation$11 $8 $9 
Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] Unrecognized stock-based compensation for non-vested options and awards and the weighted-average period the expense will be recognized (dollars in millions):
AmountWeighted-Average
Period
Stock options$4 0.8
Stock awards20 1.3
Unrecognized stock-based compensation$24 1.3
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] The fair value of each option grant was estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions used for grants:
 202120202019
Expected volatility43 %34 %30 %
Expected term6 years6 years6 years
Risk-free interest rate0.68 %1.03 %2.41 %
Expected dividend yield— %1.73 %2.09 %
Weighted-average grant date fair value per share$23.66 $14.11 $16.84 
Estimated fair value of options granted (millions)$4 $6 $4 
Share-based Compensation, Stock Options, Activity [Table Text Block]
The tables below summarize stock option activity for the year ended December 31, 2021:
 SharesWeighted-
Average Exercise Price Per Share		Weighted-
Average
Contractual Life (Years)		Aggregate Intrinsic
Value
(in millions)
Outstanding, December 31, 20201,110,870 $60.54 6.8$4 
Granted164,010 58.59   
Exercised(87,778)34.33   
Canceled(6,860)79.69 
Forfeited or expired(1,015)55.74   
Outstanding, December 31, 20211,179,227 $62.11 6.7$3 
Exercisable, December 31, 2021556,790 $65.51 5.4$1 
Vested or expected to vest, December 31, 20211,178,425 $62.11 6.7$3 
 (in millions)202120202019
Intrinsic value of option exercises$3 $2 $1 
Fair value of options vested4 3 3 
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] The following table summarizes information about outstanding stock awards:
 Number
of Units		Weighted-Average Grant Date Fair ValueWeighted-
Average
Contractual
Life (Years)		Aggregate
Intrinsic
Value (in
millions)
Non-vested, December 31, 2020967,044 $51.85 1.7$50 
Granted387,541 65.42   
Vested(547,725)55.77   
Forfeited(260,380)53.76   
Non-vested, December 31, 2021546,480 $52.81 1.3$36