Annual report pursuant to Section 13 and 15(d)

MARKETABLE SECURITIES (Details)

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MARKETABLE SECURITIES (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Schedule of Available-for-sale Securities      
Debt Securities, Available-for-sale, Amortized Cost $ 1 $ 1  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax [1] 0 0  
Debt Securities, Available-for-sale 1 1  
Total Marketable Securities, Amortized Cost Basis 334 221  
Total Marketable Securities, Accumulated Gross Unrealized Gain(Loss), before tax [1] 7 1  
Total Marketable Securities, Estimated Fair Value 341 222  
Proceeds from sales of marketable securities 258 253 $ 145
Proceeds from maturities of marketable securities 131 78 121
Proceeds from Sale and Maturity of Marketable Securities 389 331 $ 266
Debt mutual funds      
Schedule of Available-for-sale Securities      
Available-for-sale Equity Securities, Amortized Cost Basis 180 103  
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax [1] 3 1  
Available-for-sale Securities, Equity Securities 183 104  
Certificates of Deposit      
Schedule of Available-for-sale Securities      
Available-for-sale Equity Securities, Amortized Cost Basis 133 101  
Available-for-sale Securities, Equity Securities 133 101  
Equity Mutual Funds      
Schedule of Available-for-sale Securities      
Available-for-sale Equity Securities, Amortized Cost Basis 19 16  
Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax [1] 4    
Available-for-sale Securities, Equity Securities 23 16  
Bank Time Deposits      
Schedule of Available-for-sale Securities      
Available-for-sale Equity Securities, Amortized Cost Basis 1 0  
Available-for-sale Securities, Equity Securities $ 1 $ 0  
Minimum | Certificates of Deposit      
Schedule of Available-for-sale Securities      
Maturities of Time Deposits, Description P3M    
Maximum | Certificates of Deposit      
Schedule of Available-for-sale Securities      
Maturities of Time Deposits, Description P5Y    
[1] Unrealized gains and losses for debt securities are recorded in other comprehensive income while unrealized gains and losses for equity securities are recorded in "Other income, net" in our Consolidated Statements of Net Income.