Debt	6 Months Ended
Jun. 30, 2018
Debt Disclosure [Abstract]
Debt	4. Debt In the first quarter of 2018, we paid $415 million to redeem $350 million principal amount of 8.125% notes due 2019 and to purchase other notes with a carrying value of $38 million. Concurrent with the redemption of the 2019 notes, we terminated interest rate swaps with a notional amount of $350 million. In the second quarter of 2018, we paid $138 million to purchase notes with a carrying value of $112 million. As a result, we recorded losses on debt extinguishment of $26 million ($26 million after income taxes) and $53 million ($53 million after income taxes) in the three and six months ended June 30, 2018, respectively.

Debt

6 Months Ended

Jun. 30, 2018

4. Debt

In the first quarter of 2018, we paid $415 million to redeem $350 million principal amount of 8.125% notes due 2019 and to purchase other notes with a carrying value of $38 million. Concurrent with the redemption of the 2019 notes, we terminated interest rate swaps with a notional amount of $350 million. In the second quarter of 2018, we paid $138 million to purchase notes with a carrying value of $112 million. As a result, we recorded losses on debt extinguishment of $26 million ($26 million after income taxes) and $53 million ($53 million after income taxes) in the three and six months ended June 30, 2018, respectively.