LONG-TERM DEBT AND LINES OF CREDIT	3 Months Ended
Mar. 31, 2019
LONG-TERM DEBT AND LINES OF CREDIT	LONG-TERM DEBT AND LINES OF CREDIT In February 2019, we issued $750 million of 4.00 percent notes due in November 2029. The net proceeds after deducting the discount, underwriting fees and issuance costs were $739 million. In March 2019, a portion of the net proceeds were used to redeem our outstanding $500 million 7.38 percent note due in October 2019. A pretax charge of $12 million was included in "Interest expense, net of capitalized interest" in the Consolidated Statement of Operations in first quarter 2019, for make-whole premiums, unamortized debt issuance costs and unamortized debt discounts in connection with the early extinguishment of the $500 million note. As of March 31, 2019 and December 31, 2018, we had $245 million and $425 million, respectively, of outstanding borrowings on our $1.5 billion five-year senior unsecured revolving credit facility. This credit facility expires in March 2022.

LONG-TERM DEBT AND LINES OF CREDIT

3 Months Ended

Mar. 31, 2019

In February 2019, we issued $750 million of 4.00 percent notes due in November 2029. The net proceeds after deducting the discount, underwriting fees and issuance costs were $739 million. In March 2019, a portion of the net proceeds were used to redeem our outstanding $500 million 7.38 percent note due in October 2019. A pretax charge of $12 million was included in "Interest expense, net of capitalized interest" in the Consolidated Statement of Operations in first quarter 2019, for make-whole premiums, unamortized debt issuance costs and unamortized debt discounts in connection with the early extinguishment of the $500 million note.

As of March 31, 2019 and December 31, 2018, we had $245 million and $425 million, respectively, of outstanding borrowings on our $1.5 billion five-year senior unsecured revolving credit facility. This credit facility expires in March 2022.