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DEBT - Narrative (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
instution
Feb. 29, 2020
USD ($)
Jan. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]          
Commercial paper classified as long term debt         $ 227,000,000
Short-term debt classified as long-term         201,000,000
Total available proceeds under trade receivables purchase and sale program     $ 300,000,000 $ 225,000,000  
Available proceeds under program $ 93,000,000 $ 93,000,000      
Letters of credit and surety bonds outstanding 483,000,000 483,000,000     453,000,000
Fair value of total debt 7,700,000,000 7,700,000,000     7,000,000,000.0
Global revolving credit facility          
Debt Instrument [Line Items]          
Maximum borrowing capacity $ 1,400,000,000 $ 1,400,000,000      
Number of lending institutions | instution   12      
Annual facility fees, percentage   0.15%      
Ratio of debt to consolidated net worth 3 3      
Amortization percent of charge 50.00% 50.00%      
Amortization period 7 years        
Debt to consolidated tangible net worth ratio 235.00% 235.00%      
Current maturities classified as long-term debt         $ 400,000,000
Letter of Credit | Global revolving credit facility          
Debt Instrument [Line Items]          
Maximum borrowing capacity $ 75,000,000 $ 75,000,000      
Letter of credit outstanding amount 0 0      
Line of credit remaining capacity $ 1,200,000,000 $ 1,200,000,000      
Minimum | Global revolving credit facility          
Debt Instrument [Line Items]          
Annual facility fees, percentage   0.075%      
Maximum | Global revolving credit facility          
Debt Instrument [Line Items]          
Annual facility fees, percentage   0.20%