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Derivative and Hedging Instruments - Narrative (Details)
$ in Millions, € in Billions
3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
EUR (€)
Dec. 31, 2022
USD ($)
Dec. 31, 2022
EUR (€)
Dec. 31, 2021
USD ($)
Foreign Exchange Risk Management                
Unrealized gain (loss) on net investment hedges, before tax $ 84 $ 183 $ 38 $ 384        
Senior Notes Due March 2050 | Senior Notes                
Foreign Exchange Risk Management                
Long-term debt related to interest rate swap               $ 1,000
Stated interest rate 3.85%   3.85%   3.85%     3.85%
Euro-Denominated Debt                
Foreign Exchange Risk Management                
Unrealized gain (loss) on net investment hedges, before tax $ 54 $ 189 $ 15 $ 388        
Cash Flow Hedging | Interest Rate Risk                
Foreign Exchange Risk Management                
Terms of the foreign currency forward contracts and foreign currency option contracts, less than     18 months          
Net Investment Hedging                
Foreign Exchange Risk Management                
Notional amount designated | €         € 1.7   € 1.7  
Net Investment Hedging | Euro-Denominated Debt                
Foreign Exchange Risk Management                
Net foreign currency transaction after tax loss in AOCI $ 350   $ 350     $ 309