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Cash Paid for Interest and Taxes	6 Months Ended
Cash Paid for Interest and Taxes	Jun. 30, 2020
Supplemental Cash Flow Information [Abstract]
Cash Paid for Interest and Taxes	Cash Paid for Interest and Taxes Cash paid for interest was $38 million and $42 million during the 2020 Period and 2019 Period, respectively. Income tax payments, net of refunds, were $32 million and $129 million during the 2020 Period and 2019 Period, respectively.