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Employee Benefits (Narratives) (Details) - USD ($)
$ in Millions
 1 Months Ended 12 Months Ended
Apr. 30, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Description of pension and early retirement plan   Some of the Company’s employees in and outside of Israel have defined benefit pension plans for their retirement, which are controlled by the Company. Generally, according to the terms of the plans, as stated, the employees are entitled to receive pension payments based on, among other things, their number of years of service (in certain cases up to 70% of their last base salary) or computed, in certain cases, based on a fixed salary. Some employees of a subsidiary in Israel are entitled to early retirement if they meet certain conditions, including age and seniority at the time of retirement.    
Actual return (loss) on plan assets   $ 23 $ 14 $ 61
Expenses recorded in respect of defined contribution plans   43 $ 39 $ 37
The Company's estimate of deposits expected in funded defined benefit plans for 2019   $ 9    
Life of defined benefit plans   13 years 7 months 6 days 15 years 3 months 18 days  
Year 2022 [Member]        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Cash incentive to senior managers subject to compliance with certain financial targets $ 32      
Year 2024 [Member]        
Disclosure of terms and conditions of share-based payment arrangement [line items]        
Cash incentive to senior managers subject to compliance with certain financial targets   $ 40