XML 116 R103.htm IDEA: XBRL DOCUMENT v3.22.0.1
Employee Benefit Plans - Narrative (Details)
 12 Months Ended
Jan. 01, 2022
Dec. 31, 2021
USD ($)
investment_pool
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Defined Benefit Plan Disclosure [Line Items]        
Employer contribution (as percent)   100.00%    
Employee contribution (as percent)   1.00%    
Employer contribution (as percent)   25.00%    
Employer contribution (as percent)   4.00%    
Contributions to defined contribution plans   $ 58,000,000 $ 38,000,000 $ 65,000,000
Subsequent Event        
Defined Benefit Plan Disclosure [Line Items]        
Employer contribution (as percent) 100.00%      
Employee contribution (as percent) 1.00%      
Employer contribution (as percent) 50.00%      
Employer contribution (as percent) 4.00%      
U.S. and other plans        
Defined Benefit Plan Disclosure [Line Items]        
Company contribution   0 5,000,000  
Plan assets investments   183,000,000 181,000,000 167,000,000
U.K. plan        
Defined Benefit Plan Disclosure [Line Items]        
Company contribution   $ 0 0  
Number of plan asset investment pools | investment_pool   2    
Plan assets investments   $ 983,000,000 974,000,000 $ 860,000,000
U.K. plan | On-risk assets        
Defined Benefit Plan Disclosure [Line Items]        
Plan assets target allocation percentage   20.00%    
U.K. plan | Off-risk assets        
Defined Benefit Plan Disclosure [Line Items]        
Plan assets target allocation percentage   80.00%    
U.S. Plan | On-risk assets        
Defined Benefit Plan Disclosure [Line Items]        
Plan assets target allocation percentage   39.00%    
U.S. Plan | Off-risk assets        
Defined Benefit Plan Disclosure [Line Items]        
Plan assets target allocation percentage   61.00%    
Fair Value Measured at Net Asset Value Per Share | Hedge funds        
Defined Benefit Plan Disclosure [Line Items]        
Plan assets investments   $ 158,000,000 $ 227,000,000