15. Property, plant and equipment


	Buildings and	Machinery and		Assets under
EURm	constructions	equipment	Other	construction	Total
Acquisition cost as of January 1, 2016	427	1 746	41	15	2 229
Transfers to assets held for sale	(47)	–	–	–	(47)
Translation differences	1	(15)	2	–	(12)
Additions	65	361	3	87	516
Acquisitions through business combinations	587	674	68	84	1 413
Reclassifications	20	75	2	(97)	–
Disposals and retirements	(54)	(148)	(2)	–	(204)
Acquisition cost as of December 31, 2016	999	2 693	114	89	3 895
Accumulated depreciation as of January 1, 2016	(174)	(1 351)	(9)	–	(1 534)
Transfers to assets held for sale	5	–	–	–	5
Translation differences	1	13	–	–	14
Disposals and retirements	46	133	–	–	179
Depreciation	(94)	(480)	(4)	–	(578)
Accumulated depreciation as of December 31, 2016	(216)	(1 685)	(13)	–	(1 914)
Net book value as of January 1, 2016	253	395	32	15	695
Net book value at December 31, 2016	783	1 008	101	89	1 981
Acquisition cost as of January 1, 2017	999	2 693	114	89	3 895
Translation differences	(52)	(105)	(9)	(5)	(171)
Additions	115	370	3	89	577
Acquisitions through business combinations	1	1	–	–	2
Reclassifications	42	43	–	(85)	–
Disposals and retirements	(40)	(353)	(2)	(2)	(397)
Acquisition cost as of December 31, 2017	1 065	2 649	106	86	3 906
Accumulated depreciation as of January 1, 2017	(216)	(1 685)	(13)	–	(1 914)
Translation differences	20	67	1	–	88
Impairment charges	–	(25)	–	–	(25)
Disposals and retirements	22	315	2	–	339
Depreciation	(97)	(440)	(4)	–	(541)
Accumulated depreciation as of December 31, 2017	(271)	(1 768)	(14)	–	(2 053)
Net book value as of January 1, 2017	783	1 008	101	89	1 981
Net book value as of December 31, 2017	794	881	92	86	1 853

In 2014, the tax authorities in India placed a lien which prohibited the Group from transferring the mobile devices-related facility in Chennai to Microsoft as part of the Sale of the D&S Business.