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Borrowing Arrangements - Narrative (Details)
1 Months Ended
Dec. 15, 2022
USD ($)
Nov. 30, 2022
USD ($)
Oct. 31, 2021
USD ($)
Jan. 31, 2020
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2015
USD ($)
Dec. 31, 2012
USD ($)
Jan. 31, 2023
USD ($)
Senior notes                
Debt Instrument [Line Items]                
Debt redemption percentage of principle amount           101.00%    
2021 Notes | Senior notes                
Debt Instrument [Line Items]                
Aggregate principal amount     $ 1,000,000,000         $ 1,000,000,000
Stated interest rate     2.40%          
Unamortized discount     $ 3,000,000          
Debt issuance costs     9,000,000          
Proceeds from debt, net of issuance costs     $ 988,000,000          
2020 Notes | Senior notes                
Debt Instrument [Line Items]                
Aggregate principal amount       $ 500,000,000       500,000,000
Stated interest rate       2.85%        
Unamortized discount       $ 1,000,000        
Debt issuance costs       5,000,000        
Proceeds from debt, net of issuance costs       494,000,000        
2015 Notes | Senior notes                
Debt Instrument [Line Items]                
Aggregate principal amount           $ 300,000,000   300,000,000
Stated interest rate           4.375%    
Unamortized discount           $ 1,000,000    
Debt issuance costs           3,000,000    
Proceeds from debt, net of issuance costs           $ 296,000,000    
Repayments of debt       $ 450,000,000        
2017 Notes | Senior notes                
Debt Instrument [Line Items]                
Aggregate principal amount         $ 500,000,000     500,000,000
Stated interest rate         3.50%      
Unamortized discount         $ 3,000,000      
Debt issuance costs         5,000,000      
Proceeds from debt, net of issuance costs         492,000,000      
Senior Notes due 2017 | Senior notes                
Debt Instrument [Line Items]                
Repayments of debt         $ 400,000,000      
2012 Notes | Senior notes                
Debt Instrument [Line Items]                
Aggregate principal amount             $ 350,000,000  
Stated interest rate             3.60%  
Debt issuance costs             $ 3,000,000  
Proceeds from debt, net of issuance costs             $ 347,000,000  
Repayments of debt $ 350,000,000              
Revolving credit facility | Credit Agreement                
Debt Instrument [Line Items]                
Maximum borrowing capacity   $ 1,500,000,000            
Line of credit facility, increase limit   $ 2,000,000,000            
Debt covenant, interest coverage ratio, minimum   3.50            
Debt covenant, leverage ratio, maximum   4.00            
Line of credit facility, outstanding borrowings               $ 0
Revolving credit facility | Credit Agreement | Minimum | Base rate                
Debt Instrument [Line Items]                
Basis spread on variable rate   0.00%            
Revolving credit facility | Credit Agreement | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate                
Debt Instrument [Line Items]                
Basis spread on variable rate   0.785%            
Revolving credit facility | Credit Agreement | Maximum | Base rate                
Debt Instrument [Line Items]                
Basis spread on variable rate   0.375%            
Revolving credit facility | Credit Agreement | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate                
Debt Instrument [Line Items]                
Basis spread on variable rate   1.375%