pre_text: IBM Working Capital Working capital decreased $10,200 million from the year-end
  2018 position. The key changes are described below: Current assets decreased $10,726 million ($10,477 million adjusted for currency) due to: • A decline in receivables of $6,769 million ($6,695 million adjusted for currency) driven by a decline in financing receivables of $8,197 million primarily due to the wind down of OEM IT commercial financing operations; partially offset by an increase in other receivables of $989 million primarily related to divestitures; and • A decrease of $3,213 million ($3,052 million adjusted for currency) in cash and cash equivalents, restricted cash, and marketable securities primarily due to retirement of debt. Current liabilities decreased $526 million ($449 million adjusted
  for currency) as a result of: • A decrease in accounts payable of $1,662 million primarily due to the wind down of OEM IT commercial financing operations; and • A decrease in short-term debt of $1,410 million due to maturities of $12,649 million and a decrease in commercial paper of $2,691 million; partially offset by reclassifications of $7,592 million from long-term debt to reflect upcoming maturities and issuances of $6,334 million; offset by • An increase in operating lease liabilities of $1,380 million as a result of the adoption of the new leasing standard on January 1, 2019; and • An increase in deferred income of $861 million ($890 million adjusted for currency).
table: ($ in millions)
table: At December 31: 2019 2018
table: Current assets $38,420 $49,146
table: Current liabilities 37,701 38,227
table: Working capital $   718 $10,918
table: Current ratio 1.02:1 1.29:1
question: Analyse this data from a financial earnings document. What was the increase / (decrease) in the current assets from 2018 to 2019?