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Financial Instruments and Risk Management (Market risk - Terms of Derivative Financial Instruments Used to Economically Hedge Foreign Currency Risk) (Details)
$ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Put options [Member] | Euro/U.S Dollar [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 1 $ 2
Stated amount $ 47 $ 57
Average exchange rate 1.1 1.2
Put options [Member] | US Dollar/British Pound [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 0 $ 0
Stated amount $ 12 $ 12
Average exchange rate 1.2 1.4
Put options [Member] | US Dollar/Israeli Shekel [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ (11) $ 14
Stated amount $ 240 $ 660
Average exchange rate 3.4 3.2
Put options [Member] | US Dollar/Japanese Yen [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 0 $ 0
Stated amount $ 3 $ 4
Average exchange rate 130.4 109.7
Call options [Member] | Euro/U.S Dollar [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ (1) $ 0
Stated amount $ 47 $ 57
Average exchange rate 1.1 1.2
Call options [Member] | US Dollar/British Pound [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 0 $ 0
Stated amount $ 12 $ 12
Average exchange rate 1.2 1.4
Call options [Member] | US Dollar/Israeli Shekel [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 1 $ (2)
Stated amount $ 240 $ 660
Average exchange rate 3.4 3.2
Call options [Member] | US Dollar/Japanese Yen [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 0 $ 0
Stated amount $ 3 $ 4
Average exchange rate 130.4 109.7
Swap contract [Member] | US Dollar/Israeli Shekel [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 23 $ 119
Stated amount $ 462 $ 579
Average exchange rate 3.4 3.7
SWAP contracts from variable interest to fixed interest [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount   $ (7)
Stated amount   150
SWAP contracts from fixed ILS interest to fixed USD interest [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 23 119
Stated amount 462 579
Forward contracts [Member] | Euro/U.S Dollar [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount (4) 4
Stated amount $ 146 $ 240
Average exchange rate 1.1 1.2
Forward contracts [Member] | Euro/British Pound [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 0  
Stated amount $ (17)  
Average exchange rate 1.2  
Forward contracts [Member] | US Dollar/British Pound [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 0 $ 0
Stated amount $ 11 $ 16
Average exchange rate 1.2 1.4
Forward contracts [Member] | US Dollar/Israeli Shekel [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ (12) $ 3
Stated amount $ 746 $ 515
Average exchange rate 3.4 3.2
Forward contracts [Member] | US Dollar/Chinese Yuan Renminbi [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount   $ 1
Stated amount   $ 46
Average exchange rate   6.5
Forward contracts [Member] | US Dollar/Brazilian Real risk [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ 2 $ (1)
Stated amount $ 111 $ 37
Average exchange rate 5.2 5.4
Forward contracts [Member] | Other [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ (1) $ 0
Stated amount $ 35 $ 23
Average exchange rate 0 0
Forward Transactions Hedge Accounting [Member] | US Dollar/Israeli Shekel [Member]    
Disclosure of detailed information about hedges [Line Items]    
Carrying amount $ (14)  
Stated amount $ 360  
Average exchange rate 3.4