Engineering

3.6 Consolidated financial statements Notes to the consolidated financial statements
20 Other non-financial liabilities
million €
Sept. 30, 2010 Sept. 30, 2011
current non-current current non-current
Amounts due to customers for construction work 3,112 — 3,795 —
Advance payments 1,049 — 1,159 —
Selling and buying market related liabilities 798 — 815 —
Liabilities due to put options 13 — 19 —
Liabilities to the employees 793 — 778 —
Liabilities for social security 93 — 100 —
Deferred income 49 — 26 —
Tax liabilities (without income taxes) 329 — 293 —
Other 670 23 347 7
Total 6,906 23 7,332 7
Other non-financial liabilities amounting to €440 million (2010: €347 million) have a remaining term of more than 1 year.
Amounts due to customers for construction work are calculated as follows:
million €
Contract costs incurred and recognized
contract profits (less recognized losses) 7,086 7,307
Less advance payments received (10,198) (11,102)
Total (3,112) (3,795)
21 Contingencies and commitments
Contingencies
ThyssenKrupp AG as well as, in individual cases, its subsidiaries have issued or have had guarantees issued in favour of customers or lenders.
The following table shows obligations under guarantees where the principal debtor is not a consolidated Group company.
million €
Sept. 30,
2010
Maximum potential amount
of future payments as of Provision as of
Advance payment bonds 201 320 1 1
Performance bonds 82 106 1 1
Third party credit guarantee 40 45 0 0
Residual value guarantees 45 60 1 2
Other guarantees 45 31 0 0
Total 413 562 3 4
Sept. 30,
2010
Sept. 30,
2011
Sept. 30,
2010
Sept. 30,
2011
Sept. 30,
2011