What is goodwill? How did Walmart recognize Flipkart acquisition in 2019 as goodwill?

Walmart International 14,488 Walmart U.S. 2,236 Sam's Club $ $ $ 313 $ Total 17,037 996 209 996 209 (Amounts in millions) Balances as of February 1, 2017 Changes in currency translation and other Acquisitions Balances as of January 31, 2018 Changes in currency translation and other Acquisitions) Balances as of January 31, 2019 - 15,484 2,445 313 18,242 - - 107 2,552 (743) 13,575 28,316 (743) 13,682 31,181 $ $ $ 313 $ (1) Goodwill recorded in fiscal 2019 for Walmart International relates to Flipkart. Walmart International 14,488 Walmart U.S. 2,236 Sam's Club $ $ $ 313 $ Total 17,037 996 209 996 209 (Amounts in millions) Balances as of February 1, 2017 Changes in currency translation and other Acquisitions Balances as of January 31, 2018 Changes in currency translation and other Acquisitions) Balances as of January 31, 2019 - 15,484 2,445 313 18,242 - - 107 2,552 (743) 13,575 28,316 (743) 13,682 31,181 $ $ $ 313 $ (1) Goodwill recorded in fiscal 2019 for Walmart International relates to Flipkart