pre_text: Statements of cash flows additional information (in millions): Non-cash investing and financing activities and supplemental cash flow information are as follows:
table: Year Ended
table: April 26, 2019 April 27, 2018 April 28, 2017
table: Non-cash Investing and Financing Activities:
table: Capital expenditures incurred but not paid $ 9 $ 24 $ 19
table: Non-cash extinguishment of sale-leaseback financing obligations $ — $ 130 $ 19
table: Supplemental Cash Flow Information:
table: Income taxes paid, net of refunds $ 205 $ 87 $ 102
table: Interest paid $ 53 $ 58 $ 44
question: Analyse this data from a financial earnings document. What was the change in capital expenditures incurred but not paid between 2017 and 2018?