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(iv) Lease
Lease classification and measurement
Under U.S. GAAP, the amortization of the right-of-use assets and interest expense related to the lease liabilities are recorded together as lease expense to produce a straight-line recognition effect in profit or loss.
Under IFRS, the amortization of the right-of-use assets is on a straight-line basis while the interest expense related to the lease liabilities are measured at amortized cost.
Sale-and-leaseback arrangements
Under U.S. GAAP, if the sale-and-leaseback transaction qualifies as a sale, the entire gain on the transaction would be recognized.
Under IFRS, for sale-and-leaseback transactions that qualify as a sale, the gain would be limited to the amount related to the residual portion of the asset sold. The amount of the gain related to the underlying asset leased back to the lessee would be offset against the lessee’s right-of-use assets.
(v) Redeemable equity securities
Under U.S. GAAP, certain financial instruments of the Group in the form of shares with redemption features embedded are classified as redeemable non-controlling interests, when the realization of the redemption feature is subject to certain conditions that are not solely within the Group’s control.
Under IFRS, these financial instruments are classified as liabilities when the Group has an obligation to repurchase the equity shares by transferring assets, irrespective of whether the obligation is unconditional or conditional.
(vi) Impairment of long-lived assets
Under U.S. GAAP, the Group takes a two-step approach to calculate an asset or asset group impairment by comparing the asset or asset group’s carrying amount with the sum of future undiscounted cash flows as a test of recoverability, and record the amount by which the carrying value exceeds the fair value as impairment loss when the carrying amount is not recoverable.
Under IFRS, the Group takes a one-step approach to calculate an asset or cash generating unit impairment by recording the amount by which the carrying value exceeds the recoverable amount as an impairment loss when impairment indicators exist.
(vii) Convertible senior notes
Under U.S. GAAP, the Notes are accounted for as debt in their entirety and are measured at amortized cost, with debt issuance cost amortized and recognized as interest expense using the effective interest method.
Under IFRSs, the Notes are hybrid instruments, each of which consists of a host debt contract and a separately accounted for derivative. The conversion feature is a derivative that may be settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the Group’s own equity instruments, therefore does not meet the definition of equity and is a derivative liability measured at fair value through profit or loss. The embedded repurchase and redemption options of the Notes are closely related to the host debt contracts and therefore not accounted for as derivatives separately. The host debt contracts are initially measured as the difference between the fair value of the entire hybrid instruments and the fair value of the conversion feature. Subsequent to the initial recognition, the host debt contracts are accounted for at amortized cost with interest expense recognized using the effective interest method, and the changes in fair value of the conversion feature are recognized in profit or loss.
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