How do IFRS differ from U.S. GAAP in regard to determining if an asset is impaired? What

Question:

How do IFRS differ from U.S. in regard to determining if an asset is impaired? What are the implications of this difference?

GAAP
Generally Accepted Accounting Principles (GAAP) is the accounting standard adopted by the U.S. Securities and Exchange Commission (SEC). While the SEC previously stated that it intends to move from U.S. GAAP to the International Financial Reporting Standards (IFRS), the...